chore: use gh token

[ArielSantos01]

Description

Se cambia ACCESS_TOKEN por GITHUB_TOKEN para corregir errores de rate limit al generear el release:

HTTP 403: API rate limit exceeded for user ID 94131130. 
If you reach out to GitHub Support for help, please include the request ID 8018:1BA11C:6E6041:1EFDD85:69721FBF and timestamp 2026-01-22 13:01:51 UTC. 
For more on scraping GitHub and how it may affect your rights, please review our Terms of Service (https://docs.github.com/en/site-policy/github-terms/github-terms-of-service) (https://api.github.com/repos/Drafteame/serverless-plugin-s3-remover/releases)

Task Context

What is the current behavior?

What is the new behavior?

Additional Context

Checklist

Test Preview