format interface{} -> any

[poteto0]

Summary

This PR formats interface{} -> any. any is an alias for interface{}

var any = interface{}

https://github.com/golang/go/blob/67f131485541f362c8e932cd254982a8ad2cfc09/src/builtin/builtin.go#L97

What was changed

• interface{} -> any
  • it required go >= 1.18
• It has nothing to do with performance.

Why the change was made

• IMO: any is easier than an empty interface literal.

How it was tested

go test ./... -cover