feat: increate to type coverage level 13, user RectorBcLibrary set for BC changes

Author: Art4

.rector.php

@@ -13,9 +13,12 @@
     //->withPhpSets()
     ->withPhp74Sets()
     ->withPhpVersion(70400)
-    ->withTypeCoverageLevel(1)
+    ->withTypeCoverageLevel(13)
     ->withPreparedSets(
         true,
         true
     )
+    ->withSets([
+        \Art4\RectorBcLibrary\Set::SET,
+    ])
 ;

composer.json

@@ -30,6 +30,7 @@
         "psr/http-factory": "^1.0"
     },
     "require-dev": {
+        "art4/rector-bc-library": "dev-main",
         "behat/behat": "^3.14",
         "friendsofphp/php-cs-fixer": "^3.68",
         "guzzlehttp/psr7": "^2",

tests/Integration/Psr18ClientRequestGenerationTest.php

@@ -65,7 +65,7 @@ public function testPsr18ClientCreatesCorrectRequests(
         });
 
         $requestFactory = $this->createMock(RequestFactoryInterface::class);
-        $requestFactory->method('createRequest')->willReturnCallback(fn($method, $uri) => new Request($method, $uri));
+        $requestFactory->method('createRequest')->willReturnCallback(fn($method, $uri): \GuzzleHttp\Psr7\Request => new Request($method, $uri));
 
         $streamFactory = new class implements StreamFactoryInterface {
             public function createStream(string $content = ''): StreamInterface