Update phonenumberslite requirement from ==8.13.* to ==9.0.* (#4888)

Updates the requirements on [phonenumberslite](https://github.com/daviddrysdale/python-phonenumbers) to permit the latest version.
- [Commits](https://github.com/daviddrysdale/python-phonenumbers/compare/v8.13.0...v9.0.0)

---
updated-dependencies:
- dependency-name: phonenumberslite
  dependency-type: direct:production
...

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pyproject.toml

@@ -73,7 +73,7 @@ dependencies = [
   "paypalrestsdk==1.13.*",
   "paypal-checkout-serversdk==1.0.*",
   "PyJWT==2.10.*",
-  "phonenumberslite==8.13.*",
+  "phonenumberslite==9.0.*",
   "Pillow==11.1.*",
   "pretix-plugin-build",
   "protobuf==6.30.*",