build(deps): update dependency @fontsource/fira-sans to v5.0.19

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@fontsource/fira-sans (source)	5.0.18 -> 5.0.19

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Release Notes

fontsource/font-files (@​fontsource/fira-sans)

### [`v5.0.19`](https://togithub.com/fontsource/font-files/compare/6683f4dd896f741c07eb8696cf8a97bf6ea98fff...643d5496631adb16c66ab3fc2f9e128d01817307) [Compare Source](https://togithub.com/fontsource/font-files/compare/6683f4dd896f741c07eb8696cf8a97bf6ea98fff...643d5496631adb16c66ab3fc2f9e128d01817307)

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Configuration

📅 Schedule: Branch creation - "at 9:00 am on the 1-7 day of the month on Saturday" in timezone Europe/Madrid, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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