Update pre-commit hook asottile/pyupgrade to v3.20.0 (#238)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.pre-commit-config.yaml

@@ -28,7 +28,7 @@ repos:
         args:
           - --branch=main
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.19.1
+    rev: v3.20.0
     hooks:
       - id: pyupgrade
         args: [--py39-plus]