Bump phonenumbers from 8.13.18 to 8.13.20 (#331)

Bumps [phonenumbers](https://github.com/daviddrysdale/python-phonenumbers) from 8.13.18 to 8.13.20.
- [Commits](daviddrysdale/python-phonenumbers@v8.13.18...v8.13.20)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ boto3 >= 1.26,< 1.29
 ftfy == 6.1.1
 mailchecker == 5.0.9
 openpyxl == 3.1.2
-phonenumbers == 8.13.18
+phonenumbers == 8.13.20
 python-dateutil == 2.8.2
 python-fsutil == 0.10.0
 python-slugify == 8.0.1