build(deps): bump docker/build-push-action from 5 to 6 (#1869)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

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

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

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: true
           file: Dockerfile.maintenance
@@ -66,7 +66,7 @@ jobs:
         run: echo "VERSION=master-$(echo $GITHUB_SHA | cut -c 1-6)" >> $GITHUB_ENV
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         env:
           NODE_ENV: production
           SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}

.github/workflows/tests.yml

@@ -25,7 +25,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Build
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         env:
           NODE_ENV: production
           SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
@@ -58,7 +58,7 @@ jobs:
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Build
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: false
           file: Dockerfile.maintenance