Add reason field to PullRequestEvent (#3730)

Author: coding-CEO

github/event_types.go

@@ -1237,7 +1237,8 @@ type PullRequestEvent struct {
 	Repo          *Repository   `json:"repository,omitempty"`
 	Sender        *User         `json:"sender,omitempty"`
 	Installation  *Installation `json:"installation,omitempty"`
-	Label         *Label        `json:"label,omitempty"` // Populated in "labeled" event deliveries.
+	Label         *Label        `json:"label,omitempty"`  // Populated in "labeled" event deliveries.
+	Reason        *string       `json:"reason,omitempty"` // Populated in "dequeued" event deliveries.
 
 	// The following field is only present when the webhook is triggered on
 	// a repository belonging to an organization.

github/event_types_test.go

@@ -16079,6 +16079,7 @@ func TestPullRequestEvent_Marshal(t *testing.T) {
 		},
 		RequestedTeam: &Team{ID: Ptr(int64(1))},
 		Label:         &Label{ID: Ptr(int64(1))},
+		Reason:        Ptr("CI_FAILURE"),
 		Before:        Ptr("before"),
 		After:         Ptr("after"),
 		Repo: &Repository{
@@ -16268,6 +16269,7 @@ func TestPullRequestEvent_Marshal(t *testing.T) {
 		"label": {
 			"id": 1
 		},
+		"reason": "CI_FAILURE",
 		"before": "before",
 		"after": "after",
 		"repository": {