Bump test/bats from 5ec2d81 to 855844b (#128)

Bumps [test/bats](https://github.com/bats-core/bats-core) from `5ec2d81` to `855844b`.
- [Release notes](https://github.com/bats-core/bats-core/releases)
- [Commits](bats-core/bats-core@5ec2d81...855844b)

---
updated-dependencies:
- dependency-name: test/bats
  dependency-version: 855844b8344e67d60dc0f43fa39817ed7787f141
  dependency-type: direct:production
...

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Author: dependabot[bot]