chore: unnecessary use of fmt.Sprintf

[testwill]

I am taking time off from maintaining this repo. I will not be reviewing pull requests.

Details in https://code.openark.org/blog/mysql/reducing-my-oss-involvement-and-how-it-affects-orchestrator-gh-ost

Related issue: https://github.com/openark/orchestrator/issues/0123456789

Description

This PR [briefly explain what is does]