Update django to 2.2.28 to fix https://avd.aquasec.com/nvd/2022/cve-2022-28346/
Update django to 2.2.28 to fix https://avd.aquasec.com/nvd/2022/cve-2022-28346/

ministryofjustice/laa-legal-adviser-api,ministryofjustice/laa-legal-adviser-api,ministryofjustice/laa-legal-adviser-api