PMM-14897 Fix mysql config advisor check

[ademidoff]

https://jira.percona.com/browse/PMM-14897

• PMM-14897 Fix mysql_configuration_log_verbosity advisor check percona/pmm#5135

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4265-e5cb65e
Client docker: perconalab/pmm-client-fb:PR-4265-e5cb65e
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4265-e5cb65e
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4265-e5cb65e.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4265-e5cb65e&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4265-e5cb65e.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/5507/

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4265-18c2b25
Client docker: perconalab/pmm-client-fb:PR-4265-18c2b25
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4265-18c2b25
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4265-18c2b25.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4265-18c2b25&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4265-18c2b25.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/5512/