update node version

Author: gautamkrishnar

.github/workflows/version-bump.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: "16"
+          node-version: "20"
       - name: Install dependancies
         run: yarn install
       - name: Build source code