ci: bump phpcs version to php 8.3 (#304)

Author: simPod

phpcs.xml.dist

@@ -6,7 +6,7 @@
     <arg name="cache" value=".phpcs-cache" />
     <arg name="colors" />
 
-    <config name="php_version" value="80100" />
+    <config name="php_version" value="80300" />
 
     <!-- Ignore warnings, show progress of the run and show sniff names -->
     <arg value="nps" />

tests/Param/ParamValueConverterRegistryTest.php

@@ -33,9 +33,9 @@ final class ParamValueConverterRegistryTest extends TestCaseBase
 {
     use WithClient;
 
-    private const VersionIntervalJson = 2301;
-    private const VersionLineString   = 2408;
-    private const VersionVariant      = 2403;
+    private const int VersionIntervalJson = 2301;
+    private const int VersionLineString   = 2408;
+    private const int VersionVariant      = 2403;
 
     /** @var array<string> */
     private static array $types = [];