Move to v4 for node?

Author: RobDearling

.github/workflows/setup-node/action.yml

@@ -4,7 +4,7 @@ runs:
   using: composite
   steps:
     - name: Setup Node.js ⚙️
-      uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af #v4.1.0
+      uses: actions/setup-node@v4
       with:
         node-version-file: ".nvmrc"