[pre-commit.ci] pre-commit autoupdate (#2138)

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

@@ -12,7 +12,7 @@ repos:
   - id: end-of-file-fixer
   - id: trailing-whitespace
 - repo: https://github.com/asottile/pyupgrade
-  rev: v2.19.4
+  rev: v2.20.0
   hooks:
   - id: pyupgrade
 - repo: https://github.com/PyCQA/isort