[SPARK-44097][SPARK-44229][SQL][TESTS] Reenable PandasUDF and o.a.s.sql.execution.arrow tests in Java 21

[dongjoon-hyun]

What changes were proposed in this pull request?

This PR aims to re-enable PandasUDF and o.a.s.sql.execution.arrow tests in Java 21.
This depends on #42181 .

Why are the changes needed?

To have Java 21 test coverage.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Run the following on Java 21.

$ java -version
openjdk version "21" 2023-09-19
OpenJDK Runtime Environment (build 21+35-2513)
OpenJDK 64-Bit Server VM (build 21+35-2513, mixed mode, sharing)

$ build/sbt "sql/testOnly *.ArrowConvertersSuite"
...
[info] Run completed in 5 seconds, 316 milliseconds.
[info] Total number of tests run: 30
[info] Suites: completed 1, aborted 0
[info] Tests: succeeded 30, failed 0, canceled 0, ignored 0, pending 0
[info] All tests passed.

$ build/sbt "sql/testOnly *.SQLQueryTestSuite"
...
[info] Run completed in 12 minutes, 4 seconds.
[info] Total number of tests run: 629
[info] Suites: completed 1, aborted 0
[info] Tests: succeeded 629, failed 0, canceled 0, ignored 2, pending 0
[info] All tests passed.

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

No.

[dongjoon-hyun]

Thank you, @yaooqinn .

Merged to master for Apache Spark 4.