chore(release): version @slack/bolt@4.7.0

[zimeg]

Summary

This PR tags the latest changes to main as 4.7.0 for milestone 🏁

📚 https://github.com/slackapi/bolt-js/milestone/61?closed=1

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 93.59%. Comparing base (e81864a) to head (8dc6619).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2848   +/-   ##
=======================================
  Coverage   93.59%   93.59%           
=======================================
  Files          44       44           
  Lines        7853     7853           
  Branches      686      686           
=======================================
  Hits         7350     7350           
  Misses        498      498           
  Partials        5        5           

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