feat: gitea: vendor + fix heatmap

package/gitea/source/models/migrations/v1_22/v280.go

@@ -0,0 +1,29 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_22
+
+import (
+	"xorm.io/xorm"
+)
+
+func RenameUserThemes(x *xorm.Engine) error {
+	sess := x.NewSession()
+	defer sess.Close()
+
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+
+	if _, err := sess.Exec("UPDATE `user` SET `theme` = 'gitea-light' WHERE `theme` = 'gitea'"); err != nil {
+		return err
+	}
+	if _, err := sess.Exec("UPDATE `user` SET `theme` = 'gitea-dark' WHERE `theme` = 'arc-green'"); err != nil {
+		return err
+	}
+	if _, err := sess.Exec("UPDATE `user` SET `theme` = 'gitea-auto' WHERE `theme` = 'auto'"); err != nil {
+		return err
+	}
+
+	return sess.Commit()
+}