Use larger memory for Maven builds

*** RUN ABORTED ***
An exception or error caused a run to abort: unable to create native thread: possibly out of memory or process/resource limits reached 
  java.lang.OutOfMemoryError: unable to create native thread: possibly out of memory or process/resource limits reached
  at java.base/java.lang.Thread.start0(Native Method)
  at java.base/java.lang.Thread.start(Thread.java:1553)
  at java.base/java.lang.System$2.start(System.java:2577)
  at java.base/jdk.internal.vm.SharedThreadContainer.start(SharedThreadContainer.java:152)
  at java.base/java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:953)
  at java.base/java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1364)
  at org.apache.spark.rpc.netty.SharedMessageLoop.$anonfun$threadpool$1(MessageLoop.scala:128)
  at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:190)
  at org.apache.spark.rpc.netty.SharedMessageLoop.<init>(MessageLoop.scala:127)
  at org.apache.spark.rpc.netty.Dispatcher.sharedLoop$lzycompute(Dispatcher.scala:46)
  ...
Warning:  The requested profile "volcano" could not be activated because it does not exist.
Warning:  The requested profile "hive" could not be activated because it does not exist.
Error:  Failed to execute goal org.scalatest:scalatest-maven-plugin:2.2.0:test (test) on project spark-core_2.13: There are test failures -> [Help 1]
Error:  
Error:  To see the full stack trace of the errors, re-run Maven with the -e switch.
Error:  Re-run Maven using the -X switch to enable full debug logging.
Error:  
Error:  For more information about the errors and possible solutions, please read the following articles:
Error:  [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
Error:  
Error:  After correcting the problems, you can resume the build with the command
Error:    mvn <args> -rf :spark-core_2.13
Error: Process completed with exit code 1.