Merge branch '5.1' into 5.2

* 5.1:
  Minor fix to colon
  Use max_colons rule for DOCtor-RST

Author: OskarStark

.doctor-rst.yaml

@@ -14,6 +14,7 @@ rules:
     lowercase_as_in_use_statements: ~
     max_blank_lines:
         max: 2
+    max_colons: ~
     no_app_console: ~
     no_blank_line_after_filepath_in_php_code_block: ~
     no_blank_line_after_filepath_in_twig_code_block: ~

routing.rst

@@ -2365,7 +2365,7 @@ use the ``generateUrl()`` helper::
 
     If you pass to the ``generateUrl()`` method some parameters that are not
     part of the route definition, they are included in the generated URL as a
-    query string:::
+    query string::
 
         $this->generateUrl('blog', ['page' => 2, 'category' => 'Symfony']);
         // the 'blog' route only defines the 'page' parameter; the generated URL is: