Simplify Java location in Jenkinsfile (#2221)

Jenkinsfile

@@ -4,16 +4,15 @@ pipeline {
         disableConcurrentBuilds()
     }
     stages {
-        stage('Set JDK 17') {
-            steps {
-                tool name: 'Temurin-17.0.6+10', type: 'jdk'
-            }
-        }
         stage('Build') {
             steps {
+                withEnv([
+                        "PATH+JAVA=${tool 'Temurin-17.0.6+10'}/bin"
+                ]) {
                     sh './gradlew clean build'
                 }
             }
+        }
         stage('Archive artifacts') {
             steps {
                 sh 'rm -rf artifacts'