chore: ignore yarn lock

[ersachin3112]

This PR contains a:

• [ ] bugfix
• [ ] new feature
• [ ] code refactor
• [ ] test update
• [ ] typo fix
• [x] metadata update

Motivation / Use-Case

Ignore yarn.lock to prevent accidentally committing this file.

Breaking Changes

No

Additional Info

No

[codecov[bot]]

Codecov Report

Merging #561 (468c3d2) into master (3f8552d) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #561   +/-   ##
=======================================
  Coverage   89.67%   89.67%           
=======================================
  Files          15       15           
  Lines         310      310           
  Branches      155      155           
=======================================
  Hits          278      278           
  Misses         26       26           
  Partials        6        6           

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