quick_jibri_installer.sh: update nodejs to a stable release.

quick_jibri_installer.sh

@@ -391,7 +391,7 @@ echo "
 if [ "$(dpkg-query -W -f='${Status}' nodejs 2>/dev/null | grep -c "ok")" == "1" ]; then
     echo "Nodejs is installed, skipping..."
 else
-    curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
+    curl -sL https://deb.nodesource.com/setup_18.x | sudo -E bash -
     apt-get install -yq2 nodejs
     echo "Installing nodejs esprima package..."
     npm install -g esprima