Merge pull request #342 from sass/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

Author: asottile

.pre-commit-config.yaml

@@ -7,12 +7,12 @@ repos:
     -   id: check-yaml
     -   id: debug-statements
 -   repo: https://github.com/PyCQA/flake8
-    rev: 3.9.1
+    rev: 3.9.2
     hooks:
     -   id: flake8
         exclude: ^docs/conf.py
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.14.0
+    rev: v2.15.0
     hooks:
     -   id: pyupgrade
 -   repo: https://github.com/asottile/add-trailing-comma