Release 3109
Trello card
https://trello.com/c/Z0TJAkll/
Context
GDS have announced that they have released a new version of GOV.UK Frontend v5.0.0 (breaking release)
We need to upgrade Get school experience / Manage school experience to GOV.UK Frontend v5.0.0
Changes proposed in this pull request
- Upgrades from 4.8.x to 5.0