Bump apps/whitehall from `ce2ca32` to `8a7620d`
Bump apps/whitehall from `ce2ca32` to `8a7620d`

Bumps [apps/whitehall](https://github.com/alphagov/whitehall) from `ce2ca32` to `8a7620d`.
- [Release notes](https://github.com/alphagov/whitehall/releases)
- [Commits](https://github.com/alphagov/whitehall/compare/ce2ca32251ad19c228f7ed5a7554a0d73ade02fe...8a7620d384d5f2d02e39e07f324868e9164703ce)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
eliotsykes/real-world-rails