update node version to 22 to match what we have in vercel

Author: ovaistariq

.github/workflows/test.yaml

@@ -16,7 +16,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: "18"
+          node-version: "22"
 
       - name: Check types + linting + build
         run: |