[18.11] Add Ruby regexp repeat-range double-free patch for 3.3 and 3.4

What does this MR do and why?

Backports the following three fixes to %18.11:

• Add Ruby regexp repeat-range double-free patch ... (!3087 - merged)
• Add Ruby regexp program size patch for 3.3 and 3.4 (!3121 - merged)
• Add Ruby regexp repeat ID overflow patch for 3.... (!3164 - merged)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• This MR is backporting a bug fix, documentation update, or spec fix, previously merged in the default branch.
• The original MR has been deployed to GitLab.com (not applicable for documentation or spec changes).
• This MR has a severity label assigned (if applicable).

Note to the merge request author and maintainer

If you have questions about the patch release process, please:

• Refer to the patch release runbook for engineers and maintainers for guidance.
• Ask questions on the #releases Slack channel (internal only).