* mysql_role: fix and simplify role membership detection
* add changelog fragment
* Update changelogs/fragments/368-mysql_role-fix-member-detection.yml
Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
Co-authored-by: Felix Hamme <felix.hamme@ionos.com>
Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
(cherry picked from commit 07a72865f7)
Co-authored-by: betanummeric <40263343+betanummeric@users.noreply.github.com>
