Fix Sphinx docs to have correct module paths

[kaxil]

closes #201

Problem:
https://astronomer-providers.readthedocs.io/en/latest/_api/amazon/aws/sensors/s3/index.html does not contain astronomer.providers in the module name.

Before:

After:

[codecov]

Codecov Report

Merging #205 (5246140) into main (4e3f2ed) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #205   +/-   ##
=======================================
  Coverage   96.13%   96.13%           
=======================================
  Files          42       42           
  Lines        2300     2300           
=======================================
  Hits         2211     2211           
  Misses         89       89           

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