Merge branch '5.0' into 5.1

* 5.0:
  fix merge
  Require PHPUnit 9.3 on PHP 8
  [Cache] fix catching auth errors
  Fix CS
  [FrameworkBundle] set default session.handler alias if handler_id is not provided
  Fix CS
  Readability update
  Fix checks for phpunit releases on Composer 2 (resolves #37601)
  [Serializer] Support multiple levels of discriminator mapping
  Use hexadecimal numerals instead of hexadecimals in strings to represent error codes.
  [SCA] Minor fixes on tests
  [WebProfilerBundle] modified url generation to use absolute urls
  [Mailer] Fix reply-to functionality in the SendgridApiTransport
  [Mime] Fix compat with HTTP requests
  ticket_36879 - Fix mandrill raw http request setting from email/name

Author: nicolas-grekas

Tests/ContainerBuilderTest.php

@@ -902,12 +902,12 @@ public function testfindTaggedServiceIds()
             ->addTag('bar', ['bar' => 'bar'])
             ->addTag('foo', ['foofoo' => 'foofoo'])
         ;
-        $this->assertEquals($builder->findTaggedServiceIds('foo'), [
+        $this->assertEquals([
             'foo' => [
                 ['foo' => 'foo'],
                 ['foofoo' => 'foofoo'],
             ],
-        ], '->findTaggedServiceIds() returns an array of service ids and its tag attributes');
+        ], $builder->findTaggedServiceIds('foo'), '->findTaggedServiceIds() returns an array of service ids and its tag attributes');
         $this->assertEquals([], $builder->findTaggedServiceIds('foobar'), '->findTaggedServiceIds() returns an empty array if there is annotated services');
     }
 

Tests/DefinitionTest.php

@@ -266,10 +266,10 @@ public function testTags()
         $def->addTag('foo', ['foo' => 'bar']);
         $this->assertEquals([[], ['foo' => 'bar']], $def->getTag('foo'), '->addTag() can adds the same tag several times');
         $def->addTag('bar', ['bar' => 'bar']);
-        $this->assertEquals($def->getTags(), [
+        $this->assertEquals([
             'foo' => [[], ['foo' => 'bar']],
             'bar' => [['bar' => 'bar']],
-        ], '->getTags() returns all tags');
+        ], $def->getTags(), '->getTags() returns all tags');
     }
 
     public function testSetArgument()