feat: gitea: vendor + fix heatmap

package/gitea/source/models/migrations/v1_23/v304.go

@@ -0,0 +1,16 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_23
+
+import "xorm.io/xorm"
+
+func AddIndexForReleaseSha1(x *xorm.Engine) error {
+	type Release struct {
+		Sha1 string `xorm:"INDEX VARCHAR(64)"`
+	}
+	_, err := x.SyncWithOptions(xorm.SyncOptions{
+		IgnoreDropIndices: true,
+	}, new(Release))
+	return err
+}