⇪ Bump isort to v5.12.0

The previous version had a Poetry packaging problem. This patch
fixes that.

Author: webknjaz

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ repos:
   - id: add-trailing-comma
 
 - repo: https://github.com/PyCQA/isort.git
-  rev: 5.11.4
+  rev: 5.12.0
   hooks:
   - id: isort
     args: