MySQL: Add support for executing multiple dump commands

[hmsayem]

rootCmd.Flags().StringVar(&multiDumpArgs, "multi-dump-args", "[]", "Specify a JSON array of mysqldump argument sets")

var argsList []string
err := json.Unmarshal([]byte(dumpArgs), &argsList)
if err != nil {
	fmt.Println("Error parsing JSON:", err)
	return
}

for _, args := range argsList {
	fmt.Println("mysqldump", args)
}

--multi-dump-args='["--no-tablespaces --no-create-info --skip-triggers", "--no-tablespaces --ignore-table=db.table1,db.table2", "--no-create-info --no-tablespaces"]'