Fix CI test job naming to distinguish Node.js versions

- Add Node.js version to test job name to clearly show which version is running
- Changes "Run Tests" to "Run Tests (Node 18)" and "Run Tests (Node 20)"
- Keeps matrix strategy for cross-version compatibility testing

🤖 Generated with [Claude Code](https://claude.ai/code)

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

.forgejo/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
         
   test:
     runs-on: self-hosted
-    name: Run Tests
+    name: Run Tests (Node ${{ matrix.node-version }})
     
     strategy:
       matrix: