[Ruby] Hanging RactorTest in AMD64 Windows MinGW 64 GLib & Ruby build

[HyukjinKwon]

Describe the enhancement requested

Examples runs:

• https://github.com/apache/arrow/actions/runs/20646663848/job/59285247075
• https://github.com/apache/arrow/actions/runs/20669930774/job/59349001201

Component(s)

Ruby

[kou]

Issue resolved by pull request 48779
#48779