refactor: use fiber constant for error message

[bfabio]

No description provided.

[LorenzoS92]

Some linter errors

[bfabio]

Leaving this open for now as a reminder as it's just a small enhancement which doesn't warrant too much effort and the linter errors would be properly resolved if we used generics anyway.

[gitguardian]

⚠️ GitGuardian has uncovered 1 secret following the scan of your pull request.

Please consider investigating the findings and remediating the incidents. Failure to do so may lead to compromising the associated services or software components.

🔎 Detected hardcoded secret in your pull request

GitGuardian id	GitGuardian status	Secret	Commit	Filename
9772134	Triggered	Generic Password	bc3fa9e	.github/workflows/tests-postgresql.yml	View secret

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1. Understand the implications of revoking this secret by investigating where it is used in your code.
2. Replace and store your secret safely. Learn here the best practices.
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• following these best practices for managing and storing secrets including API keys and other credentials
• install secret detection on pre-commit to catch secret before it leaves your machine and ease remediation.

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[bfabio]

@GitGuardian relax, it's a test config