Try to fix Jenkinsfile issue

Jenkinsfile

@@ -2,11 +2,11 @@ pipeline{
     agent any
 
     tools{
-        maven 'Maven 3.8.6'
+        maven '3.8.6'
-        jdk 'jdk18'
+        jdk 'JDK 18'
     }
 
-    stages{
+    stages {
         stage ('Initialize') {
            steps {
                sh '''
@@ -16,7 +16,7 @@ pipeline{
            }
        }
         stage('Build'){
-            step{
+            steps{
                 sh 'mvn -Dmaven.test.failure.ignore=true build'
             }
             post{