Bump home-assistant/builder from 2025.03.0 to 2025.09.0

Bumps [home-assistant/builder](https://github.com/home-assistant/builder) from 2025.03.0 to 2025.09.0.
- [Release notes](https://github.com/home-assistant/builder/releases)
- [Commits](home-assistant/builder@2025.03.0...2025.09.0)

---
updated-dependencies:
- dependency-name: home-assistant/builder
  dependency-version: 2025.09.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/workflows/builder.yml

@@ -70,7 +70,7 @@ jobs:
       run: echo "BUILD_ARGS=--test" >> $GITHUB_ENV
 
     - name: Build plugin
-      uses: home-assistant/builder@2025.03.0
+      uses: home-assistant/builder@2025.09.0
       with:
         args: |
           $BUILD_ARGS \