[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/adamchainz/django-upgrade: 1.25.0 → 1.31.1](adamchainz/django-upgrade@1.25.0...1.31.1)
- [github.com/astral-sh/ruff-pre-commit: v0.12.4 → v0.15.21](astral-sh/ruff-pre-commit@v0.12.4...v0.15.21)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -1,12 +1,12 @@
 repos:
   - repo: https://github.com/adamchainz/django-upgrade
-    rev: 1.25.0
+    rev: 1.31.1
     hooks:
       - id: django-upgrade
         args: [--target-version, "5.2"]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.4
+    rev: v0.15.21
     hooks:
       - id: ruff-check
       - id: ruff-format