[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.4.0 → v0.6.4](astral-sh/ruff-pre-commit@v0.4.0...v0.6.4)
- [github.com/adamchainz/django-upgrade: 1.16.0 → 1.21.0](adamchainz/django-upgrade@1.16.0...1.21.0)

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ default_language_version:
   python: python3
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.0
+    rev: v0.6.4
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
@@ -18,7 +18,7 @@ repos:
       - id: fix-encoding-pragma
         args: ["--remove"]
   - repo: https://github.com/adamchainz/django-upgrade
-    rev: 1.16.0
+    rev: 1.21.0
     hooks:
       - id: django-upgrade
         args: