trim whitespaces

Signed-off-by: Harta Angkasa <24356946+ItsHarta@users.noreply.github.com>

Author: ItsHarta

functions.sh

@@ -365,4 +365,4 @@ function tests_updated() {
     return 1
   fi
   return 0
-}
+}

update.sh

@@ -130,7 +130,7 @@ function update_node_version() {
     fi
 
     nodeVersion="${version}.${fullVersion:-0}"
-    
+
     # preserve the existing YARN_VERSION
     if [ "${SKIP}" = true ] && [ -f "${dockerfile}" ]; then
       existing_yarn_version=$(grep -m1 'ENV YARN_VERSION=' "${dockerfile}" | cut -d'=' -f2 || echo "")