MyPy version upgrade

Author: nlz242

.pre-commit-config.yaml

@@ -41,7 +41,7 @@ repos:
       - id: isort
         files: ^(pyhilo|tests)/.+\.py$
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.8.0
+    rev: v1.19.1
     hooks:
       - id: mypy
         files: ^pyhilo/.+\.py$