fix(GetRequestData): Fix typo for request_stack service name in error message...

fix(GetRequestData): Fix typo for request_stack service name in error message (#3267820 by generalredneck)

coder_sniffer/DrupalPractice/Sniffs/Variables/GetRequestDataSniff.php

@@ -86,7 +86,7 @@ class GetRequestDataSniff implements Sniff
         ];
 
         $type  = 'SuperglobalAccessed';
-        $error = 'The %s super global must not be accessed directly; inject the request.stack service and use $stack->getCurrentRequest()->%s';
+        $error = 'The %s super global must not be accessed directly; inject the request_stack service and use $stack->getCurrentRequest()->%s';
         $data  = [
             $varName,
             $requestPropertyMap[$varName],