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

Author: renovate[bot]

.github/workflows/build.yaml

@@ -78,7 +78,7 @@ jobs:
         images: ${{ steps.prepare-repository-name.outputs.repository }}
 
     - name: Build Docker image
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         platforms: linux/amd64,linux/arm64
         context: .

.github/workflows/publish.yaml

@@ -51,7 +51,7 @@ jobs:
         images: ${{ steps.prepare-repository-name.outputs.repository }}
 
     - name: Build and push Docker image
-      uses: docker/build-push-action@v5
+      uses: docker/build-push-action@v6
       with:
         platforms: linux/amd64,linux/arm64
         context: .