Merge pull request #844 from major/renovate/docker-build-push-action-6.x

chore(deps): update docker/build-push-action action to v6

Author: jmrenouard

.github/workflows/docker_publish.yml

@@ -23,7 +23,7 @@ jobs:
       run: echo "VERSION=$(grep '\- Version ' mysqltuner.pl | awk '{ print $NF}')" >> $GITHUB_ENV
 
     - name: Build and push Docker image
-      uses: docker/build-push-action@v4
+      uses: docker/build-push-action@v6
       with:
         context: .
         push: true