THRIFT-5553: use newer gradle API (#2561)
Prepare for moving to Gradle 7 by removing use of older Gradle directives
(except the use of maven; the transition to maven-publish is not included here)
diff --git a/tutorial/js/build.properties b/tutorial/js/build.properties
new file mode 100644
index 0000000..845048c
--- /dev/null
+++ b/tutorial/js/build.properties
@@ -0,0 +1,5 @@
+# Maven Ant tasks Jar details
+mvn.ant.task.version=2.1.3
+mvn.repo=https://repo1.maven.org/maven2
+mvn.ant.task.url=${mvn.repo}/org/apache/maven/maven-ant-tasks/${mvn.ant.task.version}
+mvn.ant.task.jar=maven-ant-tasks-${mvn.ant.task.version}.jar