Merge pull request #65 from netbootxyz/renovate/docker-build-push-action-6.x

Update docker/build-push-action action to v6

.github/workflows/release.yml

@@ -118,7 +118,7 @@ jobs:
       
     - name: Build and push image
       if: steps.version_check.outcome == 'success' && steps.version_check.conclusion == 'success'
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         push: true
         context: .