ci: run Docker build on workflow_dispatch too

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Alexey Panfilov

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
     name: Docker Build & Push
     needs: build
     runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
+    if: github.ref == 'refs/heads/main' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch')
     steps:
       - uses: actions/checkout@v4