Upgrade to latest mypy (#3775)

Author: hauntsaninja

.pre-commit-config.yaml

@@ -38,7 +38,7 @@ repos:
           - flake8-simplify
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.991
+    rev: v1.4.1
     hooks:
       - id: mypy
         exclude: ^docs/conf.py