Bump unicorn from 5.4.0 to 5.4.1
Bump unicorn from 5.4.0 to 5.4.1

Bumps [unicorn](https://bogomips.org/unicorn/) from 5.4.0 to 5.4.1.

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
FundingCircle/shipment_tracker,FundingCircle/shipment_tracker,FundingCircle/shipment_tracker,FundingCircle/shipment_tracker