Bump apps/signonotron2 from `b119997` to `482cc4b`
Bump apps/signonotron2 from `b119997` to `482cc4b`

Bumps [apps/signonotron2](https://github.com/alphagov/signonotron2) from `b119997` to `482cc4b`.
- [Release notes](https://github.com/alphagov/signonotron2/releases)
- [Commits](https://github.com/alphagov/signonotron2/compare/b1199978c32664127dba53de2fe6f3405781dbf4...482cc4bc17f6a003f00907156db3749136ddc8bd)

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