Bump apps/pupilfirst from `87db78b` to `d20b631`
Bump apps/pupilfirst from `87db78b` to `d20b631`

Bumps [apps/pupilfirst](https://github.com/pupilfirst/pupilfirst) from `87db78b` to `d20b631`.
- [Release notes](https://github.com/pupilfirst/pupilfirst/releases)
- [Commits](https://github.com/pupilfirst/pupilfirst/compare/87db78bcc27d7bfd3e9b64508317c57e23149b5f...d20b63112870d505a3ebd43c065b90f44b9ab1f4)

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