CI: set minimal Python/Django targets for precommit

Author: amureki

.pre-commit-config.yaml

@@ -18,10 +18,12 @@ repos:
     rev: v3.21.2
     hooks:
       - id: pyupgrade
+        args: [--py310-plus]
   - repo: https://github.com/adamchainz/django-upgrade
     rev: 1.29.1
     hooks:
       - id: django-upgrade
+        args: [--target-version, "4.2"]
   - repo: https://github.com/hukkin/mdformat
     rev: 1.0.0
     hooks: