Bump doorkeeper gem to 5.1.1

https://github.com/doorkeeper-gem/doorkeeper/wiki/Migration-from-old-versions#from-5x-to-51x

Gemfile

@@ -26,7 +26,7 @@ gem 'marginalia', '~> 1.9.0'
 
 # Authentication libraries
 gem 'devise', '~> 4.6'
-gem 'doorkeeper', '~> 5.0.3'
+gem 'doorkeeper', '~> 5.1.1'
 gem 'doorkeeper-openid_connect', '~> 1.6.3'
 gem 'omniauth', '~> 1.8'
 gem 'omniauth-auth0', '~> 2.0.0'

Gemfile.lock

@@ -254,8 +254,8 @@ GEM
     docile (1.3.2)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    doorkeeper (5.0.3)
-      railties (>= 4.2)
+    doorkeeper (5.1.1)
+      railties (>= 5)
     doorkeeper-openid_connect (1.6.3)
       doorkeeper (>= 5.0, < 5.2)
       json-jwt (~> 1.6)
@@ -1267,7 +1267,7 @@ DEPENDENCIES
   diff_match_patch (~> 0.1.0)
   diffy (~> 3.3)
   discordrb-webhooks-blackst0ne (~> 3.3)
-  doorkeeper (~> 5.0.3)
+  doorkeeper (~> 5.1.1)
   doorkeeper-openid_connect (~> 1.6.3)
   ed25519 (~> 1.2)
   elasticsearch-api (~> 6.8)

changelogs/unreleased/id-bump-doorkeeper-5-1.yml

+---
+title: Bump doorkeeper to 5.1.1
+merge_request: 40546
+author:
+type: changed

ee/spec/requests/jira_authorizations_spec.rb

@@ -67,7 +67,9 @@ RSpec.describe 'Jira authorization requests' do
       context 'when code is invalid' do
         let(:code) { "invalid_code" }
 
-        it_behaves_like 'an unauthorized request'
+        it 'returns bad request' do
+          expect(response).to have_gitlab_http_status(:bad_request)
+        end
       end
     end
   end

spec/controllers/oauth/token_info_controller_spec.rb

@@ -5,10 +5,10 @@ require 'spec_helper'
 RSpec.describe Oauth::TokenInfoController do
   describe '#show' do
     context 'when the user is not authenticated' do
-      it 'responds with a 401' do
+      it 'responds with a 400' do
         get :show
 
-        expect(response).to have_gitlab_http_status(:unauthorized)
+        expect(response).to have_gitlab_http_status(:bad_request)
         expect(Gitlab::Json.parse(response.body)).to include('error' => 'invalid_request')
       end
     end
@@ -36,10 +36,10 @@ RSpec.describe Oauth::TokenInfoController do
     end
 
     context 'when the doorkeeper_token is not recognised' do
-      it 'responds with a 401' do
+      it 'responds with a 400' do
         get :show, params: { access_token: 'unknown_token' }
 
-        expect(response).to have_gitlab_http_status(:unauthorized)
+        expect(response).to have_gitlab_http_status(:bad_request)
         expect(Gitlab::Json.parse(response.body)).to include('error' => 'invalid_request')
       end
     end
@@ -49,10 +49,10 @@ RSpec.describe Oauth::TokenInfoController do
         create(:oauth_access_token, created_at: 2.days.ago, expires_in: 10.minutes)
       end
 
-      it 'responds with a 401' do
+      it 'responds with a 400' do
         get :show, params: { access_token: access_token.token }
 
-        expect(response).to have_gitlab_http_status(:unauthorized)
+        expect(response).to have_gitlab_http_status(:bad_request)
         expect(Gitlab::Json.parse(response.body)).to include('error' => 'invalid_request')
       end
     end
@@ -60,10 +60,10 @@ RSpec.describe Oauth::TokenInfoController do
     context 'when the token is revoked' do
       let(:access_token) { create(:oauth_access_token, revoked_at: 2.days.ago) }
 
-      it 'responds with a 401' do
+      it 'responds with a 400' do
         get :show, params: { access_token: access_token.token }
 
-        expect(response).to have_gitlab_http_status(:unauthorized)
+        expect(response).to have_gitlab_http_status(:bad_request)
         expect(Gitlab::Json.parse(response.body)).to include('error' => 'invalid_request')
       end
     end

spec/requests/api/oauth_tokens_spec.rb

@@ -20,7 +20,7 @@ RSpec.describe 'OAuth tokens' do
 
         request_oauth_token(user, client_basic_auth_header(client))
 
-        expect(response).to have_gitlab_http_status(:unauthorized)
+        expect(response).to have_gitlab_http_status(:bad_request)
         expect(json_response['error']).to eq('invalid_grant')
       end
     end
@@ -62,7 +62,7 @@ RSpec.describe 'OAuth tokens' do
 
             request_oauth_token(user, basic_auth_header(client.uid, 'invalid secret'))
 
-            expect(response).to have_gitlab_http_status(:unauthorized)
+            expect(response).to have_gitlab_http_status(:bad_request)
             expect(json_response['error']).to eq('invalid_client')
           end
         end
@@ -72,7 +72,7 @@ RSpec.describe 'OAuth tokens' do
     shared_examples 'does not create an access token' do
       let(:user) { create(:user) }
 
-      it { expect(response).to have_gitlab_http_status(:unauthorized) }
+      it { expect(response).to have_gitlab_http_status(:bad_request) }
     end
 
     context 'when user is blocked' do