chore: upgrade PHP CS Fixer (#19)

Author: keradus

Diff for: dev-tools/composer.json

@@ -6,7 +6,7 @@
         "ergebnis/composer-normalize": "*",
         "maglnet/composer-require-checker": "^3.8",
         "mi-schi/phpmd-extension": "^4.3",
-        "php-cs-fixer/shim": "^3.14.4",
+        "php-cs-fixer/shim": "^3.49.0",
         "phpmd/phpmd": "^2.13"
     },
     "config": {

Diff for: src/Constraint/IsIdenticalString.php

@@ -11,11 +11,13 @@
 
 namespace PhpCsFixer\PhpunitConstraintIsIdenticalString\Constraint;
 
-if (version_compare(\PHPUnit\Runner\Version::id(), '7.0.0') < 0) {
+use PHPUnit\Runner\Version;
+
+if (version_compare(Version::id(), '7.0.0') < 0) {
     class_alias(IsIdenticalStringForV5::class, IsIdenticalString::class);
-} elseif (version_compare(\PHPUnit\Runner\Version::id(), '8.0.0') < 0) {
+} elseif (version_compare(Version::id(), '8.0.0') < 0) {
     class_alias(IsIdenticalStringForV7::class, IsIdenticalString::class);
-} elseif (version_compare(\PHPUnit\Runner\Version::id(), '9.0.0') < 0) {
+} elseif (version_compare(Version::id(), '9.0.0') < 0) {
     class_alias(IsIdenticalStringForV8::class, IsIdenticalString::class);
 } else {
     class_alias(IsIdenticalStringForV9::class, IsIdenticalString::class);