fix: do not fail is no baseline

[mathild3r]

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

What this does

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The check will no fail if there is no baseline.

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[aarlaud]

:tada: This PR is included in version 2.0.5 :tada:

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• npm package (@latest dist-tag)
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