GH-48801: [cmake] Update RapidJSON for CMake 4.0 compatibility

[KyleFromNVIDIA]

Rationale for this change

Allow Arrow to build with CMake 4.0 by updating RapidJSON

What changes are included in this PR?

Update to RapidJSON version

Are these changes tested?

Tested locally

Are there any user-facing changes?

• GitHub Issue: [C++] Address "Compatibility with CMake < 3.5 has been removed" error #48801

[github-actions]

Thanks for opening a pull request!

If this is not a minor PR. Could you open an issue for this pull request on GitHub? https://github.com/apache/arrow/issues/new/choose

Opening GitHub issues ahead of time contributes to the Openness of the Apache Arrow project.

Then could you also rename the pull request title in the following format?

GH-${GITHUB_ISSUE_ID}: [${COMPONENT}] ${SUMMARY}

or

MINOR: [${COMPONENT}] ${SUMMARY}

See also:

• Other pull requests
• Contribution Guidelines - Contributing Overview

[github-actions]

⚠️ GitHub issue #48801 has been automatically assigned in GitHub to PR creator.

[KyleFromNVIDIA]

Closing in favor of #49993