chore(deps): bump docker/build-push-action from 6.11.0 to 6.12.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.11.0 to 6.12.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@b32b51a...67a2d40)

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

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

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
         uses: docker/setup-buildx-action@6524bf65af31da8d45b59e8c27de4bd072b392f5 # v3.8.0
 
       - name: Build & push Docker image (all architectures)
-        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6.11.0
+        uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6.12.0
         if: github.ref == 'refs/heads/main'
         with:
           platforms: linux/arm/v7,linux/amd64,linux/arm64/v8,linux/ppc64le,linux/s390x
@@ -44,7 +44,7 @@ jobs:
 
       # this is used mainly for testing
       - name: Build & push Docker image (amd64 only for develop)
-        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6.11.0
+        uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6.12.0
         if: github.ref == 'refs/heads/develop'
         with:
           platforms: linux/amd64

.github/workflows/build_dependabot.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Build (linux/amd64)
-        uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc # v6.11.0
+        uses: docker/build-push-action@67a2d409c0a876cbe6b11854e3e25193efe4e62d # v6.12.0
         with:
           platforms: linux/amd64
           push: false