chore: bump GitHub Actions to latest major versions (#191)

Upgrade actions/setup-node from v6 to v7. Other workflow actions are already current.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/deploy.yml

@@ -17,7 +17,7 @@ jobs:
         uses: pnpm/action-setup@v6
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           node-version: 22
           cache: pnpm