DM supports MySQL 8.0 GA

[lyzx2001]

Enhancement

Currently descring of DM as below:
Database version requirements
MySQL version 5.5 ~ 5.7
MySQL version 8.0 (experimental features)
As EOL of Aurora2 (MySQL5.7) is approaching, customer is considering if there is any way to migrate from Aurora3 (MySQL8.0) to TiDB for the future.

[lyzx2001]

/assign @lyzx2001

[dveeden]

Looks like this might need to be updated:

tiflow/dm/pkg/checker/mysql_server.go

Lines 37 to 47 in 36aed02

	// SupportedVersion defines the MySQL/MariaDB version that DM/syncer supports
	// * 5.6.0 <= MySQL Version < 8.0.0.
	var SupportedVersion = map[string]struct {
	Min MySQLVersion
	Max MySQLVersion
	}{
	"mysql": {
	MySQLVersion{5, 6, 0},
	MySQLVersion{8, 0, 0},
	},
	}