[SPARK-53821] Ban org.apache.commons.lang3 package

[dongjoon-hyun]

What changes were proposed in this pull request?

This PR aims to ban org.apache.commons.lang3 package.

Why are the changes needed?

To be independent from 3rd party library as much as possible.

Currently, we only use 3 places in test code.

$ git grep org.apache.commons.lang3 | grep -v checkstyle
spark-operator/src/test/java/org/apache/spark/k8s/operator/utils/TestUtils.java:import org.apache.commons.lang3.reflect.FieldUtils;
spark-submission-worker/src/test/java/org/apache/spark/k8s/operator/SparkAppDriverConfTest.java:import org.apache.commons.lang3.RandomStringUtils;
spark-submission-worker/src/test/java/org/apache/spark/k8s/operator/SparkAppSubmissionWorkerTest.java:import org.apache.commons.lang3.RandomStringUtils;

Does this PR introduce any user-facing change?

No behavior change.

How was this patch tested?

Pass the CIs.

Was this patch authored or co-authored using generative AI tooling?

No.

[dongjoon-hyun]

Thank you, @viirya .

[dongjoon-hyun]

Merged to main.