Extension-helpers

<!-- Release notes generated using configuration in .github/release.yml at main -->
What's Changed

Bug Fixes

* get_extensions: use shutil.copyfile to avoid PermissionError by doronbehar in https://github.com/astropy/extension-helpers/pull/59
* Fix bug that caused extension-helpers to not work correctly if pyproject was the only configuration file present by astrofrog in https://github.com/astropy/extension-helpers/pull/66

Other Changes

* Replace all instances of distutils in docs with setuptools by lpsinger in https://github.com/astropy/extension-helpers/pull/65
* Fix typos by lpsinger in https://github.com/astropy/extension-helpers/pull/64
* MNT: handle deprecation warnings seen in tests by neutrinoceros in https://github.com/astropy/extension-helpers/pull/67
* Add note about pinning extension-helpers by astrofrog in https://github.com/astropy/extension-helpers/pull/72
* DEP: drop dependency on tomli on Python 3.11 and newer by neutrinoceros in https://github.com/astropy/extension-helpers/pull/73
* TST: treat warnings as errors by neutrinoceros in https://github.com/astropy/extension-helpers/pull/74
* MNT: find and replace log.warn -> log.warning (the warn method is deprecated) by neutrinoceros in https://github.com/astropy/extension-helpers/pull/75
* Infrastructure updates by astrofrog in https://github.com/astropy/extension-helpers/pull/68
* Bump actions/checkout from 2 to 4 by dependabot in https://github.com/astropy/extension-helpers/pull/77
* Bump stefanzweifel/git-auto-commit-action from 4 to 5 by dependabot in https://github.com/astropy/extension-helpers/pull/76
* Add back support for absolute source paths but deprecate it by astrofrog in https://github.com/astropy/extension-helpers/pull/70

New Contributors

* doronbehar made their first contribution in https://github.com/astropy/extension-helpers/pull/59
* neutrinoceros made their first contribution in https://github.com/astropy/extension-helpers/pull/67
* dependabot made their first contribution in https://github.com/astropy/extension-helpers/pull/77

**Full Changelog**: https://github.com/astropy/extension-helpers/compare/v1.1.0...v1.1.1

<!-- Release notes generated using configuration in .github/release.yml at main -->
What's Changed

New Features

- Support enabling via `pyproject.toml` by WilliamJamieson in https://github.com/astropy/extension-helpers/pull/48

Bug Fixes

- OpenMP functions should detect the Intel oneAPI compiler by lpsinger in https://github.com/astropy/extension-helpers/pull/44

Infrastructure

- Skip hypothesis tests in downstream testing by astrofrog in https://github.com/astropy/extension-helpers/pull/39
- Set language for docs by lpsinger in https://github.com/astropy/extension-helpers/pull/45
- Update python requirements by WilliamJamieson in https://github.com/astropy/extension-helpers/pull/50
- Add pre-commit configuration by astrofrog in https://github.com/astropy/extension-helpers/pull/53
- Set testpaths to avoid picking up other tests by astrofrog in https://github.com/astropy/extension-helpers/pull/54
- Added configuration required to update changelog when doing release through GitHub UI by astrofrog in https://github.com/astropy/extension-helpers/pull/56

New Contributors

- WilliamJamieson made their first contribution in https://github.com/astropy/extension-helpers/pull/50
- pre-commit-ci made their first contribution in https://github.com/astropy/extension-helpers/pull/55

**Full Changelog**: https://github.com/astropy/extension-helpers/compare/v1.0.0...v1.1.0

- Added support for coverage>=5 for the extension-helpers test suite. [24]
- Removed any direct usage of distutils. [34]
- Remove support for the undocumented --compiler argument to setup.py. [36]
- Added support for enabling extension-helpers from setup.cfg. [33]

- Initial release of extension-helpers, which was forked from astropy-helpers 4.0.