Bump home-assistant/builder from 2026.03.2 to 2026.06.0

Bumps [home-assistant/builder](https://github.com/home-assistant/builder) from 2026.03.2 to 2026.06.0.
- [Release notes](https://github.com/home-assistant/builder/releases)
- [Commits](https://github.com/home-assistant/builder/compare/2026.03.2...2026.06.0)

---
updated-dependencies:
- dependency-name: home-assistant/builder
  dependency-version: 2026.06.0
  dependency-type: direct:production
...

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

.github/workflows/onpush_builder.yaml

@@ -300,7 +300,7 @@ jobs:
 
       - name: Build ${{ matrix.addon }} add-on
         if: steps.info.outputs.build_arch == 'true' && steps.info.outputs.has_dockerfile == 'true'
-        uses: home-assistant/builder/actions/build-image@2026.03.2
+        uses: home-assistant/builder/actions/build-image@2026.06.0
         with:
           arch: ${{ matrix.arch }}
           cache-gha: "false"