CI: Bump dependency

Author: jserv

.github/workflows/main.yml

@@ -184,7 +184,7 @@ jobs:
           echo "short_hash=$(git rev-parse --short "$GITHUB_SHA")" >> "$GITHUB_ENV"
       - name: Build and push
         if: ${{ github.event_name == 'push'}}
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: true
           context: .