https://github.com/tmm1/http_parser.rb isn't used since httprb#489

https://github.com/tmm1/http_parser.rb isn't used since #489

Update ruby-http to 4.4.1.


## 4.4.1 (2020-03-29)

* Backport [#590](httprb/http#590)
  Fix parser failing on some edge cases.
  ([@ixti])

## 4.4.0 (2020-03-25)

* Backport [#587](httprb/http#587)
  Fix redirections when server responds with multiple Location headers.
  ([@ixti])

* Backport [#599](httprb/http#599)
  Allow passing HTTP::FormData::{Multipart,UrlEncoded} object directly.
  ([@ixti])

## 4.3.0 (2020-01-09)

* Backport [#581](httprb/http#581)
  Add Ruby-2.7 compatibility.
  ([@ixti], [@janko])


## 4.2.0 (2019-10-22)

* Backport [#489](httprb/http#489)
  Fix HTTP parser.
  ([@ixti], [@fxposter])


## 4.1.1 (2019-03-12)

* Add `HTTP::Headers::ACCEPT_ENCODING` constant.
  ([@ixti])


## 4.1.0 (2019-03-11)

* [#533](httprb/http#533)
  Add URI normalizer feature that allows to swap default URI normalizer.
  ([@mamoonraja])


## 4.0.5 (2019-02-15)

* Backport [#532](httprb/http#532) from master.
  Fix pipes support in request bodies.
  ([@ixti])


## 4.0.4 (2019-02-12)

* Backport [#506](httprb/http#506) from master.
  Skip auto-deflate when there is no body.
  ([@Bonias])


## 4.0.3 (2019-01-18)

* Fix missing URL in response wrapped by auto inflate.
  ([@ixti])

* Provide `HTTP::Request#inspect` method for debugging purposes.
  ([@ixti])


## 4.0.2 (2019-01-15)

* [#506](httprb/http#506)
  Fix instrumentation feature.
  ([@paul])


## 4.0.1 (2019-01-14)

* [#515](httprb/http#515)
  Fix `#build_request` and `#request` to respect default options.
  ([@RickCSong])


## 4.0.0 (2018-10-15)

* [#482](httprb/http#482)
  [#499](httprb/http#499)
  Introduce new features injection API with 2 new feaures: instrumentation
  (compatible with ActiveSupport::Notification) and logging.
  ([@paul])

* [#473](httprb/http#473)
  Handle early responses.
  ([@janko-m])

* [#468](httprb/http#468)
  Rewind `HTTP::Request::Body#source` once `#each` is complete.
  ([@ixti])

* [#467](httprb/http#467)
  Drop Ruby 2.2 support.
  ([@ixti])

* [#436](httprb/http#436)
  Raise ConnectionError when writing to socket fails.
  ([@janko-m])

* [#438](httprb/http#438)
  Expose `HTTP::Request::Body#source`.
  ([@janko-m])

* [#446](httprb/http#446)
  Simplify setting a timeout.
  ([@mikegee])

* [#451](httprb/http#451)
  Reduce memory usage when reading response body.
  ([@janko-m])

* [#458](httprb/http#458)
  Extract HTTP::Client#build_request method.
  ([@tycoon])

* [#462](httprb/http#462)
  Fix HTTP::Request#headline to allow two leading slashes in path.
  ([@scarfacedeb])

* [#454](httprb/http#454)
  [#464](httprb/http#464)
  [#384](httprb/http#384)
  Fix #readpartial not respecting max length argument.
  ([@janko-m], [@marshall-lee])

Changelog:
## [5.3.1] - 2025-06-09

### Changed

- Revert switch to the native llhttp on MRI, as it's not compatible with
  standalone bundles
  ([#802](httprb/http#802))


## [5.3.0] - 2025-06-09

### Added

- (backported) Add .retriable feature to Http
- (backported) Add more specific ConnectionError classes
- (backported) New feature: RaiseError

### Changed

- (backported) Drop depenency on base64
- (backported) Cache header normalization to reduce object allocation
- (backported) Use native llhttp on MRI


## [5.2.0] - 2024-02-05

### Added

- Add `Connection#finished_request?`
  ([#743](httprb/http#743))
- Add `Instrumentation#on_error`
  ([#746](httprb/http#746))
- Add `base64` dependency (suppresses warnings on Ruby 3.0)
  ([#759](httprb/http#759))
- Add `PURGE` HTTP verb
  ([#757](httprb/http#757))
- Add Ruby-3.3 support

### Changed

- **BREAKING** Process features in reverse order
  ([#766](httprb/http#766))
- **BREAKING** Downcase Content-Type charset name
  ([#753](httprb/http#753))
- **BREAKING** Make URI normalization more conservative
  ([#758](httprb/http#758))

### Fixed

- Close sockets on initialize failure
  ([#762](httprb/http#762))
- Prevent CRLF injection due to broken URL normalizer
  ([#765](httprb/http#765))

[unreleased]: httprb/http@v5.3.0...5-x-stable
[5.3.0]: httprb/http@v5.2.0...v5.3.0
[5.2.0]: httprb/http@v5.1.1...v5.2.0

## 5.1.1 (2022-12-17)

* [#731](httprb/http#731)
  Strip brackets from IPv6 addresses in `HTTP::URI`.
  ([@jeraki])

* [#722](httprb/http#722)
  Add `on_redirect` callback.
  ([@benubois])

## 5.1.0 (2022-06-17)

* Drop ruby-2.5 support.

* [#715](httprb/http#715)
  Set default encoding to UTF-8 for `application/json`.
  ([@drwl])

* [#712](httprb/http#712)
  Recognize cookies set by redirect.
  ([@tkellogg])

* [#707](httprb/http#707)
  Distinguish connection timeouts.
  ([@YuLeven])

## 5.0.4 (2021-10-07)

* [#698](httprb/http#698)
  Fix `HTTP::Timeout::Global#connect_ssl`.
  ([@tarcieri])

## 5.0.3 (2021-10-06)

* [#695](httprb/http#695)
  Revert DNS resolving feature.
  ([@PhilCoggins])

* [#694](httprb/http#694)
  Fix cookies extraction.
  ([@flosacca])

## 5.0.2 (2021-09-10)

* [#686](httprb/http#686)
  Correctly reset the parser.
  ([@bryanp])

* [#684](httprb/http#684)
  Don't set Content-Length for GET, HEAD, DELETE, or CONNECT requests without a BODY.
  ([@jyn514])

* [#679](httprb/http#679)
  Use features on redirected requests.
  ([@nomis])

* [#678](httprb/http#678)
  Restore `HTTP::Response` `:uri` option for backwards compatibility.
  ([@schwern])

* [#676](httprb/http#676)
  Update addressable because of CVE-2021-32740.
  ([@matheussilvasantos])

* [#653](httprb/http#653)
  Avoid force encodings on frozen strings.
  ([@bvicenzo])

* [#638](httprb/http#638)
  DNS failover handling.
  ([@midnight-wonderer])


## 5.0.1 (2021-06-26)

* [#670](httprb/http#670)
  Revert `Response#parse` behavior introduced in [#540].
  ([@DannyBen])

* [#669](httprb/http#669)
  Prevent bodies from being resubmitted when following unsafe redirects.
  ([@odinhb])

* [#664](httprb/http#664)
  Bump llhttp-ffi to 0.3.0.
  ([@bryanp])


## 5.0.0 (2021-05-12)

* [#656](httprb/http#656)
  Handle connection timeouts in `Features`
  ([@semenyukdmitry])

* [#651](httprb/http#651)
  Replace `http-parser` with `llhttp`
  ([@bryanp])

* [#647](httprb/http#647)
  Add support for `MKCALENDAR` HTTP verb
  ([@meanphil])

* [#632](httprb/http#632)
  Respect the SSL context's `verify_hostname` value
  ([@colemannugent])

* [#625](httprb/http#625)
  Fix inflator with empty responses
  ([@LukaszMaslej])

* [#599](httprb/http#599)
  Allow passing `HTTP::FormData::{Multipart,UrlEncoded}` object directly.
  ([@ixti])

* [#593](httprb/http#593)
  [#592](httprb/http#592)
  Support informational (1XX) responses.
  ([@ixti])

* [#590](httprb/http#590)
  [#589](httprb/http#589)
  Fix response headers paring.
  ([@Bonias])

* [#587](httprb/http#587)
  [#585](httprb/http#585)
  Fix redirections when server responds with multiple Location headers.
  ([@ixti])

* [#581](httprb/http#581)
  [#582](httprb/http#582)
  Add Ruby 2.7.x support.
  ([@janko])

* [#577](httprb/http#577)
  Fix `Chainable#timeout` with frozen Hash.
  ([@antonvolkoff])

* [#576](httprb/http#576)
  [#524](httprb/http#524)
  **BREAKING CHANGE**
  Preserve header names casing.
  ([@joshuaflanagan])

* [#540](httprb/http#540)
  [#538](httprb/http#538)
  **BREAKING CHANGE**
  Require explicit MIME type for Response#parse
  ([@ixti])

* [#532](httprb/http#532)
  Fix pipes support in request bodies.
  ([@ixti])

* [#530](httprb/http#530)
  Improve header fields name/value validation.
  ([@Bonias])

* [#506](httprb/http#506)
  [#521](httprb/http#521)
  Skip auto-deflate when there is no body.
  ([@Bonias])

* [#489](httprb/http#489)
  Fix HTTP parser.
  ([@ixti], [@fxposter])

* [#546](httprb/http#546)
  **BREAKING CHANGE**
  Provide initiating `HTTP::Request` object on `HTTP::Response`.
  ([@joshuaflanagan])

* [#571](httprb/http#571)
  Drop Ruby 2.3.x support.
  ([@ixti])

* [3ed0c31](httprb/http@3ed0c31)
  Drop Ruby 2.4.x support.