[CI] fixing setup-node as it doesn't support node 22

Author: CGenie

.github/workflows/ci.yml

@@ -9,11 +9,11 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: purescript-contrib/setup-purescript@main
 
-      - uses: actions/setup-node@v2
+      - uses: actions/setup-node@v4
         with:
           node-version: "22"