Bump creditcards from 4.2.0 to 6.0.0

Bumps [creditcards](https://github.com/bendrucker/creditcards) from 4.2.0 to 6.0.0.
- [Commits](https://github.com/bendrucker/creditcards/commits)

---
updated-dependencies:
- dependency-name: creditcards
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]