GH-46245: [Swift] Upgrade FlatBuffers to v25.2.10

[dongjoon-hyun]

Rationale for this change

FlatBuffers v24.3.7 was released over one year ago (on Mar 8, 2024), we had better use the latest version in order to support Swift 6+ officially.

• https://github.com/google/flatbuffers/releases/tag/v25.2.10 (2025-02-11)
  • [Swift] Adds swift 6 to the build matrix & bumps swift to 5.9 google/flatbuffers#8414
• https://github.com/google/flatbuffers/releases/tag/v25.1.24 (2025-01-25)
• https://github.com/google/flatbuffers/releases/tag/v25.1.21 (2025-01-22)
• https://github.com/google/flatbuffers/releases/tag/v24.12.23 (2024-12-24)
  • [Swift] Fixes spelling mistake in the word position google/flatbuffers#8330
• https://github.com/google/flatbuffers/releases/tag/v24.3.25 (2024-03-26)

What changes are included in this PR?

Use the latest v25.2.10 instead of v24.3.7.

Are these changes tested?

Yes.

Are there any user-facing changes?

No.

• GitHub Issue: [Swift] Upgrade FlatBuffers to v25.2.10 #46245

[github-actions]

⚠️ GitHub issue #46245 has been automatically assigned in GitHub to PR creator.

[kou]

+1

[dongjoon-hyun]

Thank you, @kou !

[conbench-apache-arrow]

After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit 314871a.

There were no benchmark performance regressions. 🎉

The full Conbench report has more details. It also includes information about 5 possible false positives for unstable benchmarks that are known to sometimes produce them.