Bump docker/build-push-action from 5 to 6

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]>

Author: dependabot[bot]

.github/workflows/docker-image.yml

@@ -51,7 +51,7 @@ jobs:
           images: ${{ vars.DOCKER_LOGIN_SERVER }}/${{ env.IMAGE_NAME }}
 
       - name: Build Docker Image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         id: build
         with:
           context: src/SampleApi
@@ -74,7 +74,7 @@ jobs:
           TRIVY_PASSWORD: Password
 
       - name: Build Docker Image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         id: build-and-push
         with:
           context: src/SampleApi