Bump docker/build-push-action from 5.3.0 to 6.7.0 (#63)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5.3.0 to 6.7.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5.3.0...v6.7.0)

---
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/docker-publish.yml

@@ -39,7 +39,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push (Ubuntu 24.04)
-        uses: docker/build-push-action@v5.3.0
+        uses: docker/build-push-action@v6.7.0
         with:
           context: .
           file: ./Dockerfile.ubuntu-2404
@@ -83,7 +83,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push (Ubuntu 22.04)
-        uses: docker/build-push-action@v5.3.0
+        uses: docker/build-push-action@v6.7.0
         with:
           context: .
           file: ./Dockerfile.ubuntu-2204
@@ -123,7 +123,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push (Ubuntu 20.04)
-        uses: docker/build-push-action@v5.3.0
+        uses: docker/build-push-action@v6.7.0
         with:
           context: .
           file: ./Dockerfile.ubuntu-2004
@@ -163,7 +163,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push (Ubuntu 18.04)
-        uses: docker/build-push-action@v5.3.0
+        uses: docker/build-push-action@v6.7.0
         with:
           context: .
           file: ./Dockerfile.ubuntu-1804