Spark unit tests on macos github runner failing

[ntkathole]

Recently we started seeing continuous failures on macos github runner for all PRs, with spark tests.

https://github.com/feast-dev/feast/actions/runs/17606063599/job/50018199883?pr=5604

ERROR sdk/python/tests/unit/infra/compute_engines/spark/test_nodes.py::test_spark_transformation_node_executes_udf - py4j.protocol.Py4JJavaError: An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.
: org.apache.spark.SparkException: Invalid Spark URL: spark://HeartbeatReceiver@iad20-gt1022_4e37091c-4c2c-4a9c-8d5e-cad6ede05f7f-B6AFC7A1459F.local:49471
	at org.apache.spark.rpc.RpcEndpointAddress$.apply(RpcEndpointAddress.scala:66)
	at org.apache.spark.rpc.netty.NettyRpcEnv.asyncSetupEndpointRefByURI(NettyRpcEnv.scala:143)
	at org.apache.spark.rpc.RpcEnv.setupEndpointRefByURI(RpcEnv.scala:102)
	at org.apache.spark.rpc.RpcEnv.setupEndpointRef(RpcEnv.scala:110)
	at org.apache.spark.util.RpcUtils$.makeDriverRef(RpcUtils.scala:36)
	at org.apache.spark.executor.Executor.<init>(Executor.scala:313)
	at org.apache.spark.scheduler.local.LocalEndpoint.<init>(LocalSchedulerBackend.scala:66)
	at org.apache.spark.scheduler.local.LocalSchedulerBackend.start(LocalSchedulerBackend.scala:136)
	at org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:237)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:622)
	at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:59)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:75)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:53)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:374)
	at py4j.Gateway.invoke(Gateway.java:238)
	at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
	at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
	at py4j.ClientServerConnection.waitForCommands(ClientServerConnection.java:184)
	at py4j.ClientServerConnection.run(ClientServerConnection.java:108)
	at java.base/java.lang.Thread.run(Thread.java:1583)