Bump phonenumbers from 8.10.17 to 8.13.17

Bumps [phonenumbers](https://github.com/daviddrysdale/python-phonenumbers) from 8.10.17 to 8.13.17.
- [Commits](daviddrysdale/python-phonenumbers@v8.10.17...v8.13.17)

---
updated-dependencies:
- dependency-name: phonenumbers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -9,7 +9,7 @@ Django==3.2.0
 # Third-party app dependencies
 twilio==6.30.0
 whitenoise==4.1.3
-phonenumbers==8.10.17
+phonenumbers==8.13.17
 python-dotenv==0.10.3
 
 # Production dependencies