Update dev-phome.jenkinsfile

jenkinsfile/dev-phome.jenkinsfile

@@ -82,7 +82,7 @@ pipeline{
           parallel {
             stage('install') {
               steps {
-                nodejs('v12.16.2') {
+                nodejs('my-nodejs') {
                   sh """
                     npm config ls -l
                     npm i yarn -g
@@ -97,7 +97,7 @@ pipeline{
 
         stage('npm build') {
           steps {
-            nodejs('v12.16.2') {
+            nodejs('my-nodejs') {
               sh """
                 npm run core
                 npm run build:${envProfile} versionType:${tagType}