Provides build info that can be used by language server, so that
no extra plugins are needed for the LSP integration

Built on Erlang/OTP 24, Ubuntu 20.04, and tested on OTP 24-27
under Ubuntu 20-24.

* Implementation of basic BFT voting infrastructure

Keep only parent chain related pinning operations (writing and reading pin) in `parent_connector`rest is moved elsewhere.

* Fix typos in OpenApi

* Set `parameters` to empty array instead of `null`

> error   | schema_violation | Schema violation: must be array (paths > /hyperchain/pin-tx > get > parameters)
    - https://raw.githubusercontent.com/aeternity/aeternity/v7.3.0-rc1/apps/aehttp/priv/oas3.yaml:518:5
fatal   | Plugin 'schema-validator-openapi' completed with some error.
error   | schema_violation | Schema violation: must be array (paths > /hyperchain/contracts > get > parameters)
    - https://raw.githubusercontent.com/aeternity/aeternity/v7.3.0-rc1/apps/aehttp/priv/oas3.yaml:539:5

* Fix reference to `HCContractPubkeys`

> error   |   Error: Invalid JSON pointer: components/schemas/HCContractPubkeys

* Mark `PinningTx` properties required

* Mark `HCContractPubkeys` properties required

* Fix `last_leader` type in `PinningTx`

* Fix typo in `last_leader` description

* pruned suite in

* pin decoding

* Fixed fees, pc_height

* Load UTXO self spend address directly from the wallet, dialyzer fixes

* Skip test suite by default. Only run manually ATM

The reviewed version of the delegated staking contract. It corresponds to the version the JS&TS tests are ran on in the Delegation Contract repo, only the debugging features are removed.