fix(web-api): remove bounds on assistant.threads.setSuggestedPrompts prompts count in types

[zimeg]

Summary

This PR removes the minimum bounds in types for the assistant.threads.setSuggestedPrompts method prompts property.

Fixes issues noted in slack-samples/bolt-js-assistant-template#46 and slackapi/bolt-js#2506.

Notes

• https://docs.slack.dev/reference/methods/assistant.threads.setsuggestedprompts

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.71%. Comparing base (d084bfc) to head (875d21c).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2297   +/-   ##
=======================================
  Coverage   92.71%   92.71%           
=======================================
  Files          38       38           
  Lines       10607    10607           
  Branches      683      683           
=======================================
  Hits         9834     9834           
  Misses        761      761           
  Partials       12       12           

Flag	Coverage Δ
cli-hooks	95.23% <ø> (ø)
cli-test	94.74% <ø> (ø)
oauth	77.39% <ø> (ø)
socket-mode	61.87% <ø> (ø)
web-api	97.97% <ø> (ø)
webhook	96.66% <ø> (ø)

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[zimeg]

📝 Testing notes for the kind reviewers can use changes to the sample of slack-samples/bolt-js-assistant-template#48 and this PR:

$ npm pack  # Package these changes before testing the sample app
$ cd ~/path/to/bolt-js
$ npm install ../node-slack-sdk/packages/web-api
$ npm pack
$ cd
$ slack create asdf -t slack-samples/bolt-js-assistant-template -b zimeg-fix-suggested-prompts-types
$ cd asdf
$ npm run check                                           # Attempt the type check test
$ npm install ../path/to/node-slack-sdk/packages/web-api  # Install these changes
$ npm run check                                           # Confirm the sample passes the type check

🗣️ Unrelated errors might be addressed in #2296!

[WilliamBergamin]

[zimeg]

@WilliamBergamin Indeed. 🚢 💨

I'll plan to release this soon and bring similar changes and an update to @slack/bolt for slackapi/bolt-js#2506 🙏