Bump discord.js to 14.16.1

[kevinlul]

Prerequisite for #432

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 48.53%. Comparing base (f8cb5b5) to head (d191e58).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/events/message-search.ts	0.00%	5 Missing ⚠️
src/events/message-delete.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #505      +/-   ##
==========================================
- Coverage   50.31%   48.53%   -1.78%     
==========================================
  Files          37       36       -1     
  Lines        5295     5237      -58     
  Branches      290      288       -2     
==========================================
- Hits         2664     2542     -122     
- Misses       2630     2694      +64     
  Partials        1        1              

Flag	Coverage Δ
contract	?
unit	48.53% <0.00%> (-0.36%)	⬇️

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