[pre-commit.ci] pre-commit autoupdate (#620)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -48,7 +48,7 @@ repos:
   - id: detect-private-key
     exclude: ^tests/
 - repo: https://github.com/asottile/pyupgrade
-  rev: 'v2.38.0'
+  rev: 'v2.38.2'
   hooks:
   - id: pyupgrade
     args: ['--py37-plus', '--keep-mock']