Bump apps/postal from `a7e3e9d` to `c3f2adc`
Bump apps/postal from `a7e3e9d` to `c3f2adc`

Bumps [apps/postal](https://github.com/atech/postal) from `a7e3e9d` to `c3f2adc`.
- [Release notes](https://github.com/atech/postal/releases)
- [Commits](https://github.com/atech/postal/compare/a7e3e9de79fdd0d9cf7d811d370e854dd5307da9...c3f2adc10df9a5a8c1e0b14906f0b75c30b4e455)

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