feat: gitea: vendor + fix heatmap

package/gitea/source/modules/util/file_windows.go

@@ -0,0 +1,15 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build windows
+
+package util
+
+import (
+	"os"
+)
+
+func ApplyUmask(f string, newMode os.FileMode) error {
+	// do nothing for Windows, because Windows doesn't use umask
+	return nil
+}