feat(SequentialHandler): add more info to debug when rate limit was hit

[ckohen]

Please describe the changes this PR makes and why it should be merged:

Ported from https://github.com/discordjs/discord.js/pull/5801

Needs #77

Status and versioning classification:

• Code changes have been tested against the Discord API, or there are no code changes
• I know how to update typings and have done so, or typings don't need updating
• This PR changes the library's interface (methods or parameters added)

[codecov[bot]]

Codecov Report

Merging #78 (750f18e) into main (c22081d) will decrease coverage by 0.09%. The diff coverage is 92.85%.

@@            Coverage Diff             @@
##             main      #78      +/-   ##
==========================================
- Coverage   89.03%   88.94%   -0.10%     
==========================================
  Files           9        9              
  Lines        1487     1492       +5     
  Branches      153      155       +2     
==========================================
+ Hits         1324     1327       +3     
  Misses         12       12              
- Partials      151      153       +2     

Impacted Files	Coverage Δ
...ackages/rest/src/lib/handlers/SequentialHandler.ts	82.19% <92.85%> (-0.25%)	:arrow_down:

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