[PHPStan] Skip PHPStan error message on RectorConfigsResolver check realpath (#1126)

phpstan.neon

@@ -526,3 +526,7 @@ parameters:
         -
             path: packages/Caching/ValueObject/Storage/FileCacheStorage.php
             message: '#Instead of "Nette\\Utils\\FileSystem" class/interface use "Symplify\\SmartFileSystem\\SmartFileSystem"#'
+
+        -
+            path: src/Bootstrap/RectorConfigsResolver.php
+            message: '#Method Rector\\Core\\Bootstrap\\RectorConfigsResolver\:\:resolveFromInput\(\) should return string\|null but returns string\|false#'

src/Bootstrap/RectorConfigsResolver.php

@@ -52,9 +52,7 @@ final class RectorConfigsResolver
             throw new FileNotFoundException($message);
         }
 
-        /** @var string $configFile */
-        $configFile = realpath($configFile);
-        return $configFile;
+        return realpath($configFile);
     }
 
     private function resolveFromInputWithFallback(ArgvInput $argvInput, string $fallbackFile): ?string