Update sync script

Author: jeanp413

scripts/sync-with-upstream.sh

@@ -5,8 +5,8 @@ echo "Syncing openvscode-server with upstream"
 upstream_url="https://github.com/microsoft/vscode.git"
 upstream_branch=${1:-"upstream/main"}
 local_branch=${2:-"next"}
-only_sync=${3:-"false"}
-base_commit_msg="code web server initial commit"
+base_commit_msg=${3:-"code web server initial commit"}
+only_sync=${4:-"false"}
 
 exit_script() {
 	reason=$1