Async-signals

Officially support Python 3.13 + drop support for older versions.

What's Changed
* chore(deps-dev): Update ruff requirement from >=0.2.0,<0.4.0 to >=0.2.0,<0.5.0 by dependabot in https://github.com/team23/async-signals/pull/24
* chore(deps-dev): Update ruff requirement from >=0.2.0,<0.5.0 to >=0.5.0,<0.6.0 by dependabot in https://github.com/team23/async-signals/pull/25
* chore(deps-dev): Update ruff requirement from >=0.5.0,<0.6.0 to >=0.5.0,<0.7.0 by dependabot in https://github.com/team23/async-signals/pull/26
* chore(deps-dev): Update ruff requirement from >=0.5.0,<0.7.0 to >=0.5.0,<0.8.0 by dependabot in https://github.com/team23/async-signals/pull/27
* chore(deps-dev): Update pytest-cov requirement from >=3,<6 to >=3,<7 by dependabot in https://github.com/team23/async-signals/pull/28
* chore(deps-dev): Update ruff requirement from >=0.5.0,<0.8.0 to >=0.5.0,<0.9.0 by dependabot in https://github.com/team23/async-signals/pull/29
* Add official Python 3.13 support and remove support for older versions by ddanier
* Update libraries and code to match current version requirements by ddanier


**Full Changelog**: https://github.com/team23/async-signals/compare/v0.1.8...v0.2.0

* Fix issue with pylance, now "exporting" the library contents correctly
* Officially supporting Python 3.12 (`tox` tests on Python 3.12, too)

New release to fix PyPI publishing

Update deps to allow for current versions.

Update dependencies based on suggestions by dependabot. Also test Python 3.11 compatibility.