Fix Markdown parenthesis escape

[dnicolson]

Description

This partially addresses #3246 by not escaping closing parentheses in Markdown commit messages.

Before	After

Checklist

• I have followed the guidelines in the Contributing document
• My changes follow the coding style of this project
• My changes build without any errors or warnings
• My changes have been formatted and linted
• My changes include any required corresponding changes to the documentation (including CHANGELOG.md and README.md)
• My changes have been rebased and squashed to the minimal number (typically 1) of relevant commits
• My changes have a descriptive commit message with a short title, including a Fixes $XXX - or Closes #XXX - prefix to auto-close the issue that your PR addresses

[eamodio]

Thanks for the contribution, but I've gone a different direction. Closing in favor of 94d91e7