[SPARK-48677][BUILD] Upgrade scalafmt to 3.8.2

[panbingkun]

What changes were proposed in this pull request?

The pr aims to upgrade scalafmt to 3.8.2.

Why are the changes needed?

• The full release notes: https://github.com/scalameta/scalafmt/releases/tag/v3.8.2
  The last upgrade occurred 2 months ago.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Pass GA.
Manually test:

sh dev/scalastyle
-e Scalastyle checks passed.

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

No.

[panbingkun]

cc @HyukjinKwon

[HyukjinKwon]

Can you check there are some code modification, and run this? This script is only effective when there are some changes IIRC.

[panbingkun]

Can you check there are some code modification, and run this? This script is only effective when there are some changes IIRC.

The verification process is as follows:

• positive

  (base) ➜  spark-community git:(SPARK-48677) ✗ git diff
  

  

  (base) ➜  spark-community git:(SPARK-48677) ✗ sh dev/scalastyle
  -e Scalastyle checks passed.
  

• negative

  (base) ➜  spark-community git:(SPARK-48677) ✗ git diff
  

  

(base) ➜  spark-community git:(SPARK-48677) ✗ sh dev/scalastyle
-e Scalastyle checks failed at following occurrences:
[error] /Users/panbingkun/Developer/spark/spark-community/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/AlterNamespaceSetPropertiesExec.scala:35:4: Are you sure you want to println? If yes, wrap the code block with
[error]       // scalastyle:off println
[error]       println(...)
[error]       // scalastyle:on println
[error] Total time: 19 s, completed Jun 21, 2024, 8:15:30 AM

[HyukjinKwon]

Merged to master.