Merge branch '5.1' into 5.2

* 5.1:
  [HttpFoundation] Make test pass without Xdebug.
  [Mime] Leverage PHP 8's detection of CSV files.
  [HttpFoundation] Make sure we reuse the current PHP binary for the webserver process in functional tests.
  [FrameworkBundle] TextDescriptor::formatControllerLink checked method…
  Fix CS
  [HttpClient] throw clearer error when no scheme is provided
  Fix github pr template and include 5.2 for bugfixes
  [HttpFoundation] Ignore stack trace printed by Xdebug 3.
  fix lexing backslashes in single quoted strings

Author: derrabus

Tests/Fixtures/response-functional/cookie_max_age.expected

@@ -1,6 +1,6 @@
 
 Warning: Expiry date cannot have a year greater than 9999 in %scookie_max_age.php on line 10
-
+%A
 Array
 (
     [0] => Content-Type: text/plain; charset=utf-8

Tests/ResponseFunctionalTest.php

@@ -23,7 +23,7 @@ public static function setUpBeforeClass(): void
             1 => ['file', '/dev/null', 'w'],
             2 => ['file', '/dev/null', 'w'],
         ];
-        if (!self::$server = @proc_open('exec php -S localhost:8054', $spec, $pipes, __DIR__.'/Fixtures/response-functional')) {
+        if (!self::$server = @proc_open('exec '.\PHP_BINARY.' -S localhost:8054', $spec, $pipes, __DIR__.'/Fixtures/response-functional')) {
             self::markTestSkipped('PHP server unable to start.');
         }
         sleep(1);

Tests/Session/Storage/Handler/AbstractSessionHandlerTest.php

@@ -23,7 +23,7 @@ public static function setUpBeforeClass(): void
             1 => ['file', '/dev/null', 'w'],
             2 => ['file', '/dev/null', 'w'],
         ];
-        if (!self::$server = @proc_open('exec php -S localhost:8053', $spec, $pipes, __DIR__.'/Fixtures')) {
+        if (!self::$server = @proc_open('exec '.\PHP_BINARY.' -S localhost:8053', $spec, $pipes, __DIR__.'/Fixtures')) {
             self::markTestSkipped('PHP server unable to start.');
         }
         sleep(1);