Bump docker/build-push-action from 6.11.0 to 6.12.0 (#135749)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/builder.yml

@@ -509,7 +509,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build Docker image
-        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6.11.0
+        uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6.12.0
         with:
           context: . # So action will not pull the repository again
           file: ./script/hassfest/docker/Dockerfile
@@ -522,7 +522,7 @@ jobs:
       - name: Push Docker image
         if: needs.init.outputs.channel != 'dev' && needs.init.outputs.publish == 'true'
         id: push
-        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6.11.0
+        uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6.12.0
         with:
           context: . # So action will not pull the repository again
           file: ./script/hassfest/docker/Dockerfile