.git-blame-ignore-revs: add PEP-604 refactor (#15266)

ikonst · web-flow · commit af39755c27cc · 2023-05-18T08:45:28.000-07:00
Follow up to #13427.
diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
@@ -1,2 +1,4 @@
 # Adopt black and isort
 97c5ee99bc98dc475512e549b252b23a6e7e0997
+# Use builtin generics and PEP 604 for type annotations wherever possible (#13427)
+23ee1e7aff357e656e3102435ad0fe3b5074571e
