Update pre-commit

Author: dcherian

.pre-commit-config.yaml

@@ -7,7 +7,7 @@ repos:
 
   # isort should run before black as black sometimes tweaks the isort output
   - repo: https://github.com/timothycrosley/isort
-    rev: 5.6.4
+    rev: 5.7.0
     hooks:
       - id: isort
         files: .+\.py$
@@ -19,12 +19,12 @@ repos:
       - id: black
 
   - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.8.4
+    rev: 3.8.3
     hooks:
       - id: flake8
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.790  # Must match ci/requirements/*.yml
+    rev: v0.800  # Must match ci/requirements/*.yml
     hooks:
       - id: mypy