use v16.13.2

.gitignore

@@ -21,5 +21,4 @@
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
-package-lock.json
 

Jenkinsfile

@@ -7,21 +7,21 @@ pipeline {
     stages {
         stage('install dependencies') {
             steps {
-                nvm( version : '14.18.3' ){
+                nvm( version : '16.13.2' ){
                     sh 'npm install'
                 }
             }
         }
         stage('build') {
             steps {
-                nvm( version : '14.18.3' ){
+                nvm( version : '16.13.2' ){
                     sh 'npm run build'
                 }
             }
         }
         stage('test') {
             steps {
-                nvm( version : '14.18.3' ){
+                nvm( version : '16.13.2' ){
                     sh 'npm run test'
                 }
             }