Bump apps/identity-idp from `e5e6e90` to `7aaa1bf`
Bump apps/identity-idp from `e5e6e90` to `7aaa1bf`

Bumps [apps/identity-idp](https://github.com/18F/identity-idp) from `e5e6e90` to `7aaa1bf`.
- [Release notes](https://github.com/18F/identity-idp/releases)
- [Commits](https://github.com/18F/identity-idp/compare/e5e6e90d5c2d557962a8efceb945c5705da5c66d...7aaa1bffce492c5d6cacdc4f0e8280e8324c949d)

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