Migrate test workflow to use Node 24 (#8466)

Node 24 is now the common version amoungst all of our actions.

Author: fifieldt

.github/workflows/tests.yml

@@ -49,7 +49,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v6
         with:
-          node-version: 22
+          node-version: 24
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4