Update requirements-docs.txt

[shahramn]

Dependabot alerts: Jinja2

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 41.85%. Comparing base (e463c5f) to head (41990df).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #415   +/-   ##
=======================================
  Coverage   41.85%   41.85%           
=======================================
  Files          26       26           
  Lines        2222     2222           
  Branches      194      194           
=======================================
  Hits          930      930           
  Misses       1292     1292           

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