fix: apply whitespace fixes (#5148)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

Documentation/ExtensionArchitecture/Extbase/Reference/Domain/Repository.rst

@@ -59,7 +59,7 @@ Example:
     $this->blogRepository->findBy(['author' => 1, 'published' => true]);
 
 ..  attention::
-    Saving a :php:`QueryResult` to a cache is not possible, if objects in the 
+    Saving a :php:`QueryResult` to a cache is not possible, if objects in the
     :php:`QueryResult` contain closures. This is typically the case for models
     which use lazy loading on properties.