feat: gitea: vendor + fix heatmap

package/gitea/source/models/migrations/v1_14/v169.go

@@ -0,0 +1,13 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_14
+
+import (
+	"xorm.io/xorm"
+)
+
+func CommentTypeDeleteBranchUseOldRef(x *xorm.Engine) error {
+	_, err := x.Exec("UPDATE comment SET old_ref = commit_sha, commit_sha = '' WHERE type = 11")
+	return err
+}