Feat/drop stop sign

[lili2311]

• [ ] Tests written and linted ℹ︎
• [ ] Documentation written ℹ︎
• [x] Commit history is tidy ℹ︎

What this does

Drop the ascii sign, to make the output easier to consume in CIs where this is not rendering well.

More information

https://github.com/snyk-tech-services/snyk-delta/issues/119

[aarlaud]

:tada: This PR is included in version 1.7.1 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: