revert node version for GHA (#6000)

.github/workflows/test-cli-ui_oss.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Set up Node for Bats install
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 22
+          node-version: 16
       - name: Install Bats via NPM
         # Use npm so this workflow is portable on multiple runner distros
         run: npm install --location=global bats