Bump homeassistant from 2025.10.1 to 2025.12.4 and black from 25.9.0 to 25.12.0

* Bump homeassistant from 2025.10.1 to 2025.12.4

Bumps [homeassistant](https://github.com/home-assistant/core) from 2025.10.1 to 2025.12.4.
- [Release notes](https://github.com/home-assistant/core/releases)
- [Commits](home-assistant/core@2025.10.1...2025.12.4)

---
updated-dependencies:
- dependency-name: homeassistant
  dependency-version: 2025.12.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Bump black from 25.9.0 to 25.12.0

Bumps [black](https://github.com/psf/black) from 25.9.0 to 25.12.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.9.0...25.12.0)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 25.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dcbr <15089458+dcbr@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,3 +1,3 @@
-homeassistant==2025.10.1
-black==25.9.0
+homeassistant==2025.12.4
+black==25.12.0
 flake8==7.3.0