grim/convey

Update to Go 1.21 and use some new helpers

5 months ago, Elliott Sales de Andrade
adb6eb2a7d21
Update to Go 1.21 and use some new helpers

`strings.Cut` was added in 1.18, and `maps`/`slices` in 1.21.

Testing Done:
Ran `go test ./...`

Reviewed at https://reviews.imfreedom.org/r/2870/
package docker
import (
"testing"
"github.com/stretchr/testify/assert"
"keep.imfreedom.org/grim/convey/podman"
)
func TestRun(t *testing.T) {
r := &Run{
Image: "image",
}
assert.NoError(t, r.Valid())
}
func TestRunImageRequired(t *testing.T) {
r := &Run{}
assert.ErrorIs(t, r.Valid(), podman.ErrNoImage)
}