Update requirements.txt

[sekyondaMeta]

Description

Adding torchtext and pytest to docs requirements to build handler package docs

Please read our CONTRIBUTING.md prior to creating your first pull request.

Please include a summary of the feature or issue being fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes #(issue)
Towards fixing issue #2048

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Feature/Issue validation/testing

Built docs locally to ensure they still built

Checklist:

• Did you have fun?
• Have you added tests that prove your fix is effective or that this feature works?
• Has code been commented, particularly in hard-to-understand areas?
• Have you made corresponding changes to the documentation?

[codecov]

Codecov Report

Merging #2520 (763c1d6) into master (34617bb) will not change coverage.
The diff coverage is n/a.

❗ Current head 763c1d6 differs from pull request most recent head b96c9d7. Consider uploading reports for the commit b96c9d7 to get more accurate results

@@           Coverage Diff           @@
##           master    #2520   +/-   ##
=======================================
  Coverage   72.66%   72.66%           
=======================================
  Files          78       78           
  Lines        3669     3669           
  Branches       58       58           
=======================================
  Hits         2666     2666           
  Misses        999      999           
  Partials        4        4           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more