mysql: add data source support for Azure MySql

Fixes #9649

pkg/tsdb/mysql/mysql.go

@@ -35,7 +35,7 @@ func NewMysqlQueryEndpoint(datasource *models.DataSource) (tsdb.TsdbQueryEndpoin
 		MacroEngine: NewMysqlMacroEngine(),
 	}
 
-	cnnstr := fmt.Sprintf("%s:%s@%s(%s)/%s?collation=utf8mb4_unicode_ci&parseTime=true&loc=UTC",
+	cnnstr := fmt.Sprintf("%s:%s@%s(%s)/%s?collation=utf8mb4_unicode_ci&parseTime=true&loc=UTC&allowNativePasswords=true",
 		datasource.User,
 		datasource.Password,
 		"tcp",