docs: add SrGiuliano77 as a contributor for translation

[allcontributors]

Adds @SrGiuliano77 as a contributor for translation.

This was requested by iluwatar in this comment

[skip ci]

[github-actions]

PR Summary

Adds SrGiuliano77 as a contributor for translation. Updates the all-contributors config and README to reflect the new contributor and the updated all-contributors badge count.

Changes

File	Summary
.all-contributorsrc	Added a new contributor entry for SrGiuliano77 with name Giuliano Oliveira, avatar URL, profile link, and translation as a contributor role in the contributors array.
README.md	Updated the All Contributors badge number from 408 to 409 and added a new translation contributor row for SrGiuliano77 in the contributors table with a link to their GitHub profile and avatar.

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