Merge branch '5.4' into 6.0

* 5.4:
  Fix tests
  CS fix
  CS fix
  CS fix
  CS fixes
  Bump Symfony version to 5.3.4
  Update VERSION for 5.3.3
  Update CHANGELOG for 5.3.3
  Bump Symfony version to 5.2.12
  Update VERSION for 5.2.11
  Update CHANGELOG for 5.2.11
  Bump Symfony version to 4.4.27
  Update VERSION for 4.4.26
  Update CONTRIBUTORS for 4.4.26
  Update CHANGELOG for 4.4.26

Author: nicolas-grekas

Data/Bundle/Reader/PhpBundleReader.php

@@ -12,7 +12,6 @@
 namespace Symfony\Component\Intl\Data\Bundle\Reader;
 
 use Symfony\Component\Intl\Exception\ResourceBundleNotFoundException;
-use Symfony\Component\Intl\Exception\RuntimeException;
 
 /**
  * Reads .php resource bundles.

Util/IcuVersion.php

@@ -50,7 +50,7 @@ class IcuVersion
      *
      * @see normalize()
      */
-    public static function compare(string $version1, string $version2, string $operator, ?int $precision = null)
+    public static function compare(string $version1, string $version2, string $operator, int $precision = null)
     {
         $version1 = self::normalize($version1, $precision);
         $version2 = self::normalize($version2, $precision);

Util/Version.php

@@ -40,7 +40,7 @@ class Version
      *
      * @see normalize()
      */
-    public static function compare(string $version1, string $version2, string $operator, ?int $precision = null)
+    public static function compare(string $version1, string $version2, string $operator, int $precision = null)
     {
         $version1 = self::normalize($version1, $precision);
         $version2 = self::normalize($version2, $precision);