feat: PollBuilder

[TAEMBO]

Please describe the changes this PR makes and why it should be merged:
Adds the PollBuilder class that creates API-compatible JSON data for sending polls.

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)

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2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
discord-js	⬜️ Ignored (Inspect)	Visit Preview		Feb 28, 2025 9:13am
discord-js-guide	⬜️ Ignored (Inspect)	Visit Preview		Feb 28, 2025 9:13am

[codecov]

Codecov Report

Attention: Patch coverage is 86.18421% with 21 lines in your changes missing coverage. Please review.

Project coverage is 39.12%. Comparing base (bb67671) to head (b28db3f).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/builders/src/messages/poll/Poll.ts	85.71%	11 Missing ⚠️
packages/builders/src/messages/poll/PollAnswer.ts	74.07%	7 Missing ⚠️
...ages/builders/src/messages/poll/PollAnswerMedia.ts	81.25%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10324      +/-   ##
==========================================
+ Coverage   38.66%   39.12%   +0.46%     
==========================================
  Files         238      244       +6     
  Lines       14644    14796     +152     
  Branches     1385     1412      +27     
==========================================
+ Hits         5662     5789     +127     
- Misses       8970     8995      +25     
  Partials       12       12              

Flag	Coverage Δ
builders	80.85% <86.18%> (+0.23%)	⬆️

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Stale.

[TAEMBO]

discord/discord-api-docs#6956

[TAEMBO]

• feat(builders): update to @sapphire/shapeshift v4 #10291

Stale.