replace deprecated method call ioutil.TempFile to os.CreateTemp

Signed-off-by: Igor Manushin <igor.manushin@gmail.com>

internal/fileutil/fileutil.go

@@ -18,7 +18,6 @@ package fileutil
 
 import (
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -28,7 +27,7 @@ import (
 // AtomicWriteFile atomically (as atomic as os.Rename allows) writes a file to a
 // disk.
 func AtomicWriteFile(filename string, reader io.Reader, mode os.FileMode) error {
-	tempFile, err := ioutil.TempFile(filepath.Split(filename))
+	tempFile, err := os.CreateTemp(filepath.Split(filename))
 	if err != nil {
 		return err
 	}

pkg/action/package_test.go

@@ -17,7 +17,6 @@ limitations under the License.
 package action
 
 import (
-	"io/ioutil"
 	"os"
 	"path"
 	"testing"
@@ -71,7 +70,7 @@ func TestPassphraseFileFetcher_WithInvalidStdin(t *testing.T) {
 	directory := ensure.TempDir(t)
 	defer os.RemoveAll(directory)
 
-	stdin, err := ioutil.TempFile(directory, "non-existing")
+	stdin, err := os.CreateTemp(directory, "non-existing")
 	if err != nil {
 		t.Fatal("Unable to create test file", err)
 	}

pkg/postrender/exec_test.go

@@ -18,7 +18,6 @@ package postrender
 
 import (
 	"bytes"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -167,7 +166,7 @@ func setupTestingScript(t *testing.T) (filepath string, cleanup func()) {
 
 	tempdir := ensure.TempDir(t)
 
-	f, err := ioutil.TempFile(tempdir, "post-render-test.sh")
+	f, err := os.CreateTemp(tempdir, "post-render-test.sh")
 	if err != nil {
 		t.Fatalf("unable to create tempfile for testing: %s", err)
 	}

pkg/provenance/sign_test.go

@@ -277,7 +277,7 @@ func TestDecodeSignature(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	f, err := ioutil.TempFile("", "helm-test-sig-")
+	f, err := os.CreateTemp("", "helm-test-sig-")
 	if err != nil {
 		t.Fatal(err)
 	}

pkg/repo/chartrepo_test.go

@@ -151,7 +151,7 @@ func TestIndexCustomSchemeDownload(t *testing.T) {
 	repo.CachePath = ensure.TempDir(t)
 	defer os.RemoveAll(repo.CachePath)
 
-	tempIndexFile, err := ioutil.TempFile("", "test-repo")
+	tempIndexFile, err := os.CreateTemp("", "test-repo")
 	if err != nil {
 		t.Fatalf("Failed to create temp index file: %v", err)
 	}

pkg/repo/repo_test.go

@@ -17,7 +17,6 @@ limitations under the License.
 package repo
 
 import (
-	"io/ioutil"
 	"os"
 	"strings"
 	"testing"
@@ -198,7 +197,7 @@ func TestWriteFile(t *testing.T) {
 		},
 	)
 
-	file, err := ioutil.TempFile("", "helm-repo")
+	file, err := os.CreateTemp("", "helm-repo")
 	if err != nil {
 		t.Errorf("failed to create test-file (%v)", err)
 	}