Bump docker/build-push-action from 6.7.0 to 6.9.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.7.0 to 6.9.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6.7.0...v6.9.0)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/build.yml

@@ -56,7 +56,7 @@ jobs:
           echo version="$version" >> $GITHUB_OUTPUT
 
       - name: Build base image
-        uses: docker/build-push-action@v6.7.0
+        uses: docker/build-push-action@v6.9.0
         env:
           DOCKER_BUILD_SUMMARY: false
           DOCKER_BUILD_RECORD_UPLOAD: false
@@ -72,7 +72,7 @@ jobs:
             ghcr.io/esphome/docker-base:${{ matrix.base }}-${{ steps.get_tag.outputs.version }}
 
       - name: Build ha-addon image
-        uses: docker/build-push-action@v6.7.0
+        uses: docker/build-push-action@v6.9.0
         env:
           DOCKER_BUILD_SUMMARY: false
           DOCKER_BUILD_RECORD_UPLOAD: false