Fix precommit config

Author: Aiky30

.pre-commit-config.yaml

@@ -6,12 +6,11 @@ repos:
 #      - id: pyupgrade
 #        args: ["--py37-plus"]
 #
-# FIXME: Should be enabled for codebases that are minimum django 2.2+
-#  - repo: https://github.com/adamchainz/django-upgrade
-#    rev: '1.4.0'
-#    hooks:
-#      - id: django-upgrade
-#        args: [--target-version, "2.2"]
+  - repo: https://github.com/adamchainz/django-upgrade
+    rev: '1.4.0'
+    hooks:
+      - id: django-upgrade
+        args: [--target-version, "2.2"]
 
   - repo: https://github.com/PyCQA/flake8
     rev: 4.0.1