chore(actions): update docker/build-push-action action to v6 (#52)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yaml

@@ -100,7 +100,7 @@ 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

@@ -52,7 +52,7 @@ 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: .