Add TodoTarget.MergedAt

todos.go

@@ -82,6 +82,7 @@ type TodoTarget struct {
 	Weight       int         `json:"weight"`
 
 	// Only available for type MergeRequest
+	MergedAt                  *time.Time   `json:"merged_at"`
 	ApprovalsBeforeMerge      int          `json:"approvals_before_merge"`
 	ForceRemoveSourceBranch   bool         `json:"force_remove_source_branch"`
 	MergeCommitSHA            string       `json:"merge_commit_sha"`