Update all-contributors contributions

[gcanasherrera]

[gcanasherrera]

@all-contributors please add @santiagocasas for ideas, code

[allcontributors]

@gcanasherrera

This project's configuration file has malformed JSON: .all-contributorsrc. Error:: Unexpected token } in JSON at position 461

[gcanasherrera]

@copilot can you fix this issue? "This project's configuration file has malformed JSON: .all-contributorsrc. Error:: Unexpected token } in JSON at position 461"

[gcanasherrera]

@all-contributors please add @santiagocasas for ideas, code

[allcontributors]

@gcanasherrera

I've put up a pull request to add @santiagocasas! 🎉