Drop Alpine 3.19 builds (home-assistant#322)

Update Python to 3.13.9 (home-assistant#320)

Update Python to 3.12.12 (home-assistant#318)

Use latest Ubuntu 24.04 runners (home-assistant#295)

Update Python to 3.13.5 (home-assistant#305)

Use sigstore for Python artifact verification (home-assistant#303)

* Use sigstore for Python artifact verification

* Fix dockerfile warning

* Install cosign 2.4.1 or later

Update bashio 0.17.0 (home-assistant#299)

Update Python to 3.12.9/3.13.2 and pip to 25.0.1 (home-assistant#294)

* Update Python to 3.12.9/3.13.2

* Update pip to 25.0.1

* Try with ubuntu-22.04 as builder

Update Python images to alpine 3.21 (home-assistant#289)

Co-authored-by: Franck Nijhof <git@frenck.dev>

Add support for alpine 3.21 and drop 3.17 (home-assistant#288)