Fix commitstatus summary (#30431)

The target_url is necessary for the UI, but missed in
commit_status_summary table. This PR fix it.

---------

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: Giteabot <teabot@gitea.io>

models/migrations/v1_23/v296.go

@@ -0,0 +1,16 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_23 //nolint
+
+import "xorm.io/xorm"
+
+func AddCommitStatusSummary2(x *xorm.Engine) error {
+	type CommitStatusSummary struct {
+		ID        int64  `xorm:"pk autoincr"`
+		TargetURL string `xorm:"TEXT"`
+	}
+	// there is no migrations because if there is no data on this table, it will fall back to get data
+	// from commit status
+	return x.Sync(new(CommitStatusSummary))
+}