feature KnpLabs#1025 Php8.1 support (acrobat)

This PR was squashed before being merged into the 3.4.x-dev branch.

Discussion
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Commits
-------

1b8b3ba Test against php 8.1
bd57aec Fixed php 8.1 warnings and phpunit 10 depercation

Author: acrobat

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php-versions: ['7.2', '7.3', '7.4', '8.0']
+                php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1']
 
         steps:
             - uses: actions/checkout@v2

test/Github/Tests/Api/PullRequestTest.php

@@ -144,15 +144,15 @@ public function shouldShowStatusesFromPullRequest()
         $expectedArray['_links']['statuses']['href'] = '/repos/ezsystems/ezpublish/pulls/15/statuses';
 
         $api = $this->getApiMock();
-        $api->expects($this->at(0))
-            ->method('get')
-            ->with('/repos/ezsystems/ezpublish/pulls/15')
-            ->will($this->returnValue($expectedArray));
 
-        $api->expects($this->at(1))
+        $api->expects($this->exactly(2))
             ->method('get')
-            ->with('/repos/ezsystems/ezpublish/pulls/15/statuses')
-            ->will($this->returnValue($expectedArray));
+            ->withConsecutive(
+                [$this->equalTo('/repos/ezsystems/ezpublish/pulls/15')],
+                [$this->equalTo('/repos/ezsystems/ezpublish/pulls/15/statuses')]
+            )
+            ->willReturn($expectedArray)
+        ;
 
         $this->assertEquals($expectedArray, $api->status('ezsystems', 'ezpublish', '15'));
     }

test/Github/Tests/HttpClient/Plugin/GithubExceptionThrowerTest.php

@@ -4,6 +4,7 @@
 
 use Github\Exception\ExceptionInterface;
 use Github\HttpClient\Plugin\GithubExceptionThrower;
+use GuzzleHttp\Psr7\Request;
 use GuzzleHttp\Psr7\Response;
 use Http\Client\Promise\HttpFulfilledPromise;
 use Http\Client\Promise\HttpRejectedPromise;
@@ -17,14 +18,11 @@
 class GithubExceptionThrowerTest extends TestCase
 {
     /**
-     * @param ResponseInterface                  $response
-     * @param ExceptionInterface|\Exception|null $exception
      * @dataProvider responseProvider
      */
-    public function testHandleRequest(ResponseInterface $response, ExceptionInterface $exception = null)
+    public function testHandleRequest(ResponseInterface $response, ExceptionInterface $exception = null): void
     {
-        /** @var RequestInterface $request */
-        $request = $this->getMockForAbstractClass(RequestInterface::class);
+        $request = new Request('GET', 'https://api.github.com/issues');
 
         $promise = new HttpFulfilledPromise($response);