chore: enhance CI workflow by adding Node setup and installation steps

- Included Node.js setup step to specify the Node version.
- Added installation step to ensure dependencies are installed before linting and type-checking.

.forgejo/workflows/ci.yaml

@@ -6,6 +6,12 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - name: Install
+        run: npm install
       - name: Lint
         run: npm run lint
       - name: Check Types