Added missing return types to code samples

Author: mnocon

code_samples/api/rest_api/src/Rest/InputParser/GreetingInput.php

@@ -9,7 +9,7 @@
 
 class GreetingInput extends BaseParser
 {
-    public function parse(array $data, ParsingDispatcher $parsingDispatcher)
+    public function parse(array $data, ParsingDispatcher $parsingDispatcher): mixed
     {
         if (!isset($data['Salutation'])) {
             throw new Exceptions\Parser("Missing or invalid 'Salutation' element for Greeting.");

code_samples/api/rest_api/src/Rest/ValueObjectVisitor/RestLocation.php

@@ -17,7 +17,7 @@ public function __construct(URLAliasService $urlAliasService)
         $this->urlAliasService = $urlAliasService;
     }
 
-    public function visit(Visitor $visitor, Generator $generator, $data)
+    public function visit(Visitor $visitor, Generator $generator, $data): void
     {
         // Not using $generator->startObjectElement to not have the XML Generator adding its own media-type attribute with the default vendor
         $generator->startHashElement('Location');

phpstan-baseline.neon

@@ -210,12 +210,6 @@ parameters:
 			count: 1
 			path: code_samples/api/rest_api/src/Rest/ValueObjectVisitor/Greeting.php
 
-		-
-			message: '#^Method App\\Rest\\ValueObjectVisitor\\RestLocation\:\:visit\(\) has no return type specified\.$#'
-			identifier: missingType.return
-			count: 1
-			path: code_samples/api/rest_api/src/Rest/ValueObjectVisitor/RestLocation.php
-
 		-
 			message: '#^Parameter \#1 \.\.\.\$arrays of function array_merge expects array, iterable\<Ibexa\\Contracts\\Core\\Repository\\Values\\Content\\URLAlias\> given\.$#'
 			identifier: argument.type