[pre-commit.ci] pre-commit autoupdate (#837)

updates:
- [github.com/asottile/pyupgrade: v3.21.0 → v3.21.1](asottile/pyupgrade@v3.21.0...v3.21.1)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -47,7 +47,7 @@ repos:
   - id: detect-private-key
     exclude: ^examples|(?:tests/ssl)/
 - repo: https://github.com/asottile/pyupgrade
-  rev: 'v3.21.0'
+  rev: 'v3.21.1'
   hooks:
   - id: pyupgrade
     args: ['--keep-mock']