Try to fix nvm in CI? (8)

scripts/zeppelin.sh

@@ -8,6 +8,7 @@ set -o errexit
 # Get rid of any caches
 sudo rm -rf node_modules
 echo "NVM CURRENT >>>>>" && nvm current
+nvm use 14
 
 # Use PR env variables (for forks) or fallback on local if PR not available
 SED_REGEX="s/[email protected]:/https:\/\/github.com\//"