grim/convey

Replace deprecated ioutil usage

5 months ago, Elliott Sales de Andrade
f2b1178f3266
Replace deprecated ioutil usage

It was deprecated in Go 1.16, but `go.mod` wants 1.17 already.

Testing Done:
Ran `go build .`

Reviewed at https://reviews.imfreedom.org/r/2868/
package script
import (
"keep.imfreedom.org/grim/convey/runtime"
)
var (
Tasks = map[string]runtime.Task{
"script/shell": &Shell{},
}
)