* Add stable API for Ruby 3.4

* Update CI to test 3.4

* Fix CI

* Fix tool lookup for mswin

* More robust CC tool detection

…leRuby. (#456)

* Implemented StableApiDefinition::rstring_interned_p.

* Added tests. Also, C is not Rust xD.

* Use ternary.

* A bit more succint.

* Removed file included by my LSP.

Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.89 to 1.0.92.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.89...1.0.92)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

…]. (#461)

* Implemented StableApiDefinition::[bignum_positive_p|bignum_negative_p].

* Avoiding function calls to be on par with macros.

* Review suggestion: Lets implement bignum_negative_p by default using bignum_positive_p.

* Fixing copy/pasta errors.

* First pass at implementing StableApiDefinition RArray methods for TruffleRuby.

* Tests & tweaks StableApiDefinition RArray methods for TruffleRuby.

* Renamed rbasic_frozen_p to frozen_p and implemented it using bit masking instead of fcalls

* Review Suggestion: Make rbasic_class return Option<NonNull<VALUE>>.

* Reorganizing after rebase.

* Implemented StableApiDefinition::thread_sleep.

* Shorter sleep in thread_sleep test.

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.87 to 2.0.90.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](dtolnay/syn@2.0.87...2.0.90)

---
updated-dependencies:
- dependency-name: syn
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>