Auto-update pre-commit hooks (#1153)

Author: github-actions[bot]

.pre-commit-config.yaml

@@ -13,7 +13,7 @@ repos:
       - id: check-merge-conflict
       - id: end-of-file-fixer
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.37.3
+    rev: v2.38.0
     hooks:
       - id: pyupgrade
         args: ["--py37-plus"]