docs: add MohitPopli as a contributor

[allcontributors]

Adds @MohitPopli as a contributor for bug, code, test.

This was requested by ph-fritsche in this comment

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[codecov]

Codecov Report

Merging #634 (da9f5ea) into master (32e9712) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #634   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           49        49           
  Lines          911       911           
  Branches       361       361           
=========================================
  Hits           911       911           

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[github-actions]

🎉 This PR is included in version 13.1.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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