Do not check | in type hints in WPS226 (#2495)

* Do not check | in type hints in WPS226

* Update wemake_python_styleguide/visitors/ast/complexity/overuses.py

* Update test_overused_string.py

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>

CHANGELOG.md

@@ -32,6 +32,10 @@ Semantic versioning in our case means:
 - Domain name was changed from `wemake-python-stylegui.de`
   to `wemake-python-styleguide.rtfd.io`
 
+### Bugfixes
+
+- Fixes `WPS226` false positives on `|` use in `SomeType | AnotherType` type hints syntax
+
 
 ## 0.16.1
 

tests/test_visitors/test_ast/test_complexity/test_overuses/test_overused_string.py

@@ -177,6 +177,8 @@ def test_string_overuse(
     '"GenericType[int, str]"',
     '"int"',
     'List["int"]',
+    'list[int]',
+    'int | None',
 ])
 def test_string_type_annotations(
     assert_errors,

wemake_python_styleguide/visitors/ast/complexity/overuses.py

@@ -48,6 +48,7 @@ class StringOveruseVisitor(base.BaseNodeVisitor):
         '\n',
         '\r\n',
         '\t',
+        '|',
         b' ',
         b'.',
         b',',