Update docs to latest staging commit

[Pedro Rojas Gavidia]

Describe the bug
The documents of pygsheets doesn't have last improvements of staging branch.
Apparently the docs is using this build from 2021:
https://github.com/nithinmurali/pygsheets/blob/fa227b8c25ff78bee3c586bf546c06b78e5ccd85

Expected result
Will be nice to have the last version of the docs in ht docs.

[Nithin Murali]

Fixed with release of new version.