Bump apps/whitehall from `01334c6` to `a6aa233`
Bump apps/whitehall from `01334c6` to `a6aa233`

Bumps [apps/whitehall](https://github.com/alphagov/whitehall) from `01334c6` to `a6aa233`.
- [Release notes](https://github.com/alphagov/whitehall/releases)
- [Commits](https://github.com/alphagov/whitehall/compare/01334c6a653ca9d6299e6f381ac4ae3a0bb3cc1d...a6aa233a351e74df29c875330c1f044c82b769fc)

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