Bump docker/build-push-action from 5 to 6 (#1345)

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>

Author: dependabot[bot]

.github/workflows/build-deploy.yaml

@@ -38,7 +38,7 @@ jobs:
       # Build the container, including an inline cache manifest to
       # allow us to use the registry as a cache source.
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile

.github/workflows/static-preview.yaml

@@ -29,7 +29,7 @@ jobs:
       # Build the container, including an inline cache manifest to
       # allow us to use the registry as a cache source.
       - name: Build Docker Image (Main)
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         if: github.ref == 'refs/heads/main'
         with:
           context: .
@@ -53,7 +53,7 @@ jobs:
 
       # Build directly to a local folder
       - name: Build Docker Image (PR)
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         if: github.ref != 'refs/heads/main'
         with:
           context: .