Fixed "implicitly marking parameter as nullable" deprecations in PHP 8.4 fixed

src/Security/ApiTokenAuthenticator.php

@@ -131,7 +131,7 @@ class ApiTokenAuthenticator implements AuthenticatorInterface
     /**
      * @see https://datatracker.ietf.org/doc/html/rfc6750#section-3
      */
-    private function getAuthenticateHeader(string $errorDescription = null): string
+    private function getAuthenticateHeader(?string $errorDescription = null): string
     {
         $data = [
             'realm' => $this->realm,

src/Security/AuthenticationEntryPoint.php

@@ -47,7 +47,7 @@ class AuthenticationEntryPoint implements AuthenticationEntryPointInterface
     ) {
     }
 
-    public function start(Request $request, AuthenticationException $authException = null): Response
+    public function start(Request $request, ?AuthenticationException $authException = null): Response
     {
         //Check if the request is an API request
         if ($this->isJSONRequest($request)) {

src/Security/SamlUserFactory.php

@@ -116,10 +116,10 @@ class SamlUserFactory implements SamlUserFactoryInterface, EventSubscriberInterf
      * Maps a list of SAML roles to a local group ID.
      * The first available mapping will be used (so the order of the $map is important, first match wins).
      * @param  array  $roles The list of SAML roles
-     * @param  array  $map|null The mapping from SAML roles. If null, the global mapping will be used.
+     * @param  array|null  $map The mapping from SAML roles. If null, the global mapping will be used.
      * @return int|null The ID of the local group or null if no mapping was found.
      */
-    public function mapSAMLRolesToLocalGroupID(array $roles, array $map = null): ?int
+    public function mapSAMLRolesToLocalGroupID(array $roles, ?array $map = null): ?int
     {
         $map ??= $this->saml_role_mapping;