[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v3.7.0 → v3.9.0](asottile/pyupgrade@v3.7.0...v3.9.0)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -7,7 +7,7 @@ repos:
   - id: reorder-python-imports
     args: [--py37-plus]
 - repo: https://github.com/asottile/pyupgrade
-  rev: v3.7.0
+  rev: v3.9.0
   hooks:
   - id: pyupgrade
     args: [--py37-plus]