[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v3.20.0 → v3.21.2](asottile/pyupgrade@v3.20.0...v3.21.2)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ repos:
       - id: check-yaml
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.20.0
+    rev: v3.21.2
     hooks:
       - id: pyupgrade
         args: [ --py38-plus ]