npm install

Author: georgewfraser

.github/workflows/maven.yml

@@ -34,6 +34,8 @@ jobs:
       uses: actions/setup-node@v3
       with:
         node-version: 18
+    - name: Fetch node dependencies
+      run: npm install
     - name: Build extension
       run: npm run-script vscode:build
     - name: Upload extension file