[ruby] Update Ruby 3.4.9 → 3.4.10

[depfu]

Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

Release Notes

3.4.10

Posted by nagachika on 30 Jun 2026

      <p>Ruby 3.4.10 has been released.</p>

This release is a regular stable package release contains the version update of bundled gem net-imap. The net-imap.gem update contains some security fixes. Please see the release note of net-imap v0.5.15 for the detailed update of net-imap.gem.

Please see the GitHub releases for further details.

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