Migrate away from ioutil

Signed-off-by: Per Goncalves da Silva <[email protected]>

Author: Per Goncalves da Silva

pkg/image/buildahregistry/_options.go

@@ -4,7 +4,6 @@
 package buildahregistry
 
 import (
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -95,7 +94,7 @@ func NewRegistry(options ...RegistryOption) (registry *Registry, destroy func()
 	}
 
 	// TODO: probably don't want the signature policy to be here
-	ioutil.WriteFile(path.Join(config.CacheDir, "policy.json"), []byte(`
+	os.WriteFile(path.Join(config.CacheDir, "policy.json"), []byte(`
 {
     "default": [
         {

test/e2e/ctx/provisioner_kind.go

@@ -8,7 +8,6 @@ import (
 	"encoding/csv"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -69,7 +68,7 @@ func (kl kindLogAdapter) V(log.Level) log.InfoLogger {
 }
 
 func Provision(ctx *TestContext) (func(), error) {
-	dir, err := ioutil.TempDir("", "kind.")
+	dir, err := os.MkdirTemp("", "kind.")
 	if err != nil {
 		return nil, fmt.Errorf("failed to create temporary directory: %s", err.Error())
 	}