chore: explicitly ignore .gitea/workflows changes in production-deploy trigger

- Add .gitea/workflows/** to paths-ignore
- Prevents workflow from triggering on workflow file changes
- Matches standard behavior (Gitea may auto-ignore workflow files anyway)
- Use workflow_dispatch for manual testing

.gitea/workflows/production-deploy.yml

@@ -8,6 +8,7 @@ on:
       - 'docs/**'
       - '**.md'
       - '.github/**'
+      - '.gitea/workflows/**'
   workflow_dispatch:
     inputs:
       skip_tests: