Bump home-assistant/builder from 2026.02.1 to 2026.03.2

Bumps [home-assistant/builder](https://github.com/home-assistant/builder) from 2026.02.1 to 2026.03.2.
- [Release notes](https://github.com/home-assistant/builder/releases)
- [Commits](https://github.com/home-assistant/builder/compare/2026.02.1...2026.03.2)

---
updated-dependencies:
- dependency-name: home-assistant/builder
  dependency-version: 2026.03.2
  dependency-type: direct:production
...

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

.github/workflows/onpush_builder.yaml

@@ -173,7 +173,7 @@ jobs:
       - name: Build ${{ matrix.addon }} add-on (attempt 1)
         id: builderstep1
         if: steps.check.outputs.build_arch == 'true' && steps.dockerfile_check.outputs.has_dockerfile == 'true'
-        uses: home-assistant/builder@2026.02.1
+        uses: home-assistant/builder@2026.03.2
         env:
           CAS_API_KEY: ${{ secrets.CAS_API_KEY }}
         with: