[WIP] Add PyMySQL instrumentor support for sqlcommenting#7

tammy-baylis-swi wants to merge 3 commits intosqlcommenting-mysql-drivertammy-baylis-swi/opentelemetry-python-contrib:sqlcommenting-mysql-driverfrom

pymysql-sqlcommenttammy-baylis-swi/opentelemetry-python-contrib:pymysql-sqlcommentCopy head branch name to clipboard