Bump docker/build-push-action from 5 to 6 (#476)

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](https://github.com/docker/build-push-action/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: mazano <addloe@gmail.com>

.github/workflows/build-latest.yaml

@@ -42,7 +42,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
       - name: Build image for testing
         id: docker_build_testing_image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           file: Dockerfile

.github/workflows/deploy-image.yaml

@@ -47,7 +47,7 @@ jobs:
 
       - name: Build base image
         id: docker_build_base
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           platforms: linux/amd64,linux/arm64
@@ -73,7 +73,7 @@ jobs:
 
       - name: Build prod image
         id: docker_build_prod
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           platforms: linux/amd64,linux/arm64