docs: fix RTD config requirements

[dpgaspar]

Description

Fix RTD dependencies

ADDITIONAL INFORMATION

• Has associated issue:
• Is CRUD MVC related.
• Is Auth, RBAC security related.
• Changes the security db schema.
• Introduces new feature
• Removes existing feature

[codecov]

Codecov Report

Merging #2140 (c98771a) into master (a2c3a0e) will decrease coverage by 33.52%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #2140       +/-   ##
===========================================
- Coverage   78.66%   45.15%   -33.52%     
===========================================
  Files          72       72               
  Lines        8686     8555      -131     
===========================================
- Hits         6833     3863     -2970     
- Misses       1853     4692     +2839     

Flag	Coverage Δ
python	45.15% <ø> (-33.52%)	⬇️

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see 57 files with indirect coverage changes