feat: gitea: vendor + fix heatmap

package/gitea/source/models/migrations/v1_8/v80.go

@@ -0,0 +1,16 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_8
+
+import "xorm.io/xorm"
+
+func AddIsLockedToIssues(x *xorm.Engine) error {
+	// Issue see models/issue.go
+	type Issue struct {
+		ID       int64 `xorm:"pk autoincr"`
+		IsLocked bool  `xorm:"NOT NULL DEFAULT false"`
+	}
+
+	return x.Sync(new(Issue))
+}