chore(deps): update pre-commit hook asottile/pyupgrade to v3.20.0

Author: renovate[bot]

.pre-commit-config.yaml

@@ -85,7 +85,7 @@ repos:
         args: [--py38-plus]
         exclude: nonunicode/.*
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.16.0
+    rev: v3.20.0
     hooks:
       - id: pyupgrade
         args: [--py38-plus]