Also upgrade the pre-commit hook to use 9.20.0

Author: Pierre-Sassoulas

.pre-commit-config.yaml

@@ -57,7 +57,7 @@ repos:
     hooks:
       - id: eslint
         additional_dependencies:
-          - eslint@8.20.0
+          - eslint@9.20.0
           - [email protected]
         args: ["--fix"]
   - repo: https://github.com/pre-commit/mirrors-mypy