[Vendor] upgrade google/go-github to v32.1.0 (#12361)

* upgrate go-github client to v32.1.0

* migrate

vendor/github.com/google/go-github/v32/github/interactions.go

@@ -0,0 +1,28 @@
+// Copyright 2018 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+// InteractionsService handles communication with the repository and organization related
+// methods of the GitHub API.
+//
+// GitHub API docs: https://developer.github.com/v3/interactions/
+type InteractionsService service
+
+// InteractionRestriction represents the interaction restrictions for repository and organization.
+type InteractionRestriction struct {
+	// Specifies the group of GitHub users who can
+	// comment, open issues, or create pull requests for the given repository.
+	// Possible values are: "existing_users", "contributors_only" and "collaborators_only".
+	Limit *string `json:"limit,omitempty"`
+
+	// Origin specifies the type of the resource to interact with.
+	// Possible values are: "repository" and "organization".
+	Origin *string `json:"origin,omitempty"`
+
+	// ExpiresAt specifies the time after which the interaction restrictions expire.
+	// The default expiry time is 24 hours from the time restriction is created.
+	ExpiresAt *Timestamp `json:"expires_at,omitempty"`
+}