use node 22

Author: NiloCK

.github/workflows/ci-mcp-sanity.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
           cache: 'yarn'
 
       - name: Install Yarn