ci: build deb, rpm and apk packages

[erseco]

This pull request adds a new section to the .goreleaser.yml file to include Linux package metadata. The changes primarily focus on defining the packaging details for mercure.

New Linux package metadata:

• Added nfpms section to define Linux package details including package_name, file_name_template, builds, formats, maintainer, description, license, vendor, homepage, and bindir to automatically build deb, rpm and apk packages.

• `feat: #972

• ci: CI-related change

[CLAassistant]

All committers have signed the CLA.

[dunglas]

I didn't think it would be that easy. Thank you very much!