Add mysql-connector instrumentor support for sqlcommenting

[tammy-baylis-swi]

Description

Updates mysql-connector instrumentor to support sqlcommenting.

Fixes #2902

Replaces #3023

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• tox -e py312-test-instrumentation-mysql-0
• Used local changes to instrument app with instrument(); checked MySQL server general logs after query
• Used local changes to instrument app with instrument_connection; checked MySQL server general logs after query

Does This PR Require a Core Repo Change?

• Yes. - Link to PR:
• No.

Checklist:

See contributing.md for styleguide, changelog guidelines, and more.

• Followed the style guidelines of this project
• Changelogs have been updated
• Unit tests have been added
• Documentation has been updated