Merge pull request #442 from PyPSA/pre-commit-ci-update-config

[pre-commit.ci] pre-commit autoupdate

Author: ktehranchi

.pre-commit-config.yaml

@@ -29,7 +29,7 @@ repos:
   - id: add-trailing-comma
 
 - repo: https://github.com/asottile/pyupgrade
-  rev: v3.17.0
+  rev: v3.18.0
   hooks:
   - id: pyupgrade
     args: [--py39-plus]