build(deps): add django-upgrade and pyupgrade

- https://github.com/adamchainz/django-upgrade
- https://github.com/asottile/pyupgrade

Author: engineervix

.pre-commit-config.yaml

@@ -49,3 +49,13 @@ repos:
         # Never update dependencies and only run on changes to pyproject.toml
         args: [--no-update]
         files: ^pyproject.toml$
+
+  - repo: https://github.com/adamchainz/django-upgrade
+    rev: '1.29.1' # update with latest tag on GitHub
+    hooks:
+      - id: django-upgrade
+        args: [--target-version, '5.2'] # Django version used in this site
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.21.2
+    hooks:
+      - id: pyupgrade

poetry.lock

@@ -50,9 +50,11 @@ honcho = "^2.0.0"
 
 # Linters etc.
 detect-secrets = "^1.5.0"
-djhtml = "^3.0.10" # update pre-commit-config.yaml too
-ruff = "^0.14.8"   # update pre-commit-config.yaml too
+django-upgrade = "^1.29.1"  # update pre-commit-config.yaml too
+djhtml = "^3.0.10"          # update pre-commit-config.yaml too
+pyupgrade = "^3.21.2"       # update pre-commit-config.yaml too
 pre-commit = "^4.2.0"
+ruff = "^0.14.8"            # update pre-commit-config.yaml too
 
 # Documentation
 mkdocs = "^1.6.1"