ci: pre-commit autoupdate

updates:
- [github.com/asottile/pyupgrade: v3.10.1 → v3.14.0](asottile/pyupgrade@v3.10.1...v3.14.0)
- [github.com/adamchainz/django-upgrade: 1.14.1 → 1.15.0](adamchainz/django-upgrade@1.14.1...1.15.0)

.pre-commit-config.yaml

@@ -9,12 +9,12 @@ ci:
 
 repos:
     - repo: https://github.com/asottile/pyupgrade
-      rev: v3.10.1
+      rev: v3.14.0
       hooks:
           - id: pyupgrade
             args: ["--py37-plus"]
     - repo: https://github.com/adamchainz/django-upgrade
-      rev: "1.14.1"
+      rev: "1.15.0"
       hooks:
           - id: django-upgrade
             args: [--target-version, "2.2"]