⬆️ UPGRADE: Autoupdate pre-commit config (pandas-dev#42382)

Co-authored-by: jreback <[email protected]>

Author: github-actions[bot]

.pre-commit-config.yaml

@@ -57,7 +57,7 @@ repos:
     hooks:
     -   id: isort
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.19.4
+    rev: v2.20.0
     hooks:
     -   id: pyupgrade
         args: [--py37-plus]