chore: make PR linter overwrite previous reviews and delete old comments

[rix0rrr]

Many changes here:

• The PR linter now removes the text of previous reviews, so that they are not distracting.
• The PR linter now deletes old comments; before the rewrite, it used to create both comments and reviews. The comments should be deleted.
• There were a bunch of missing awaits, add those.
• The missing awaits slipped in because in the past someone tried to turn off some linter rules, and in doing so disabled all linter rules. For now, just re-enable the ones that have to do with promises.
• Fix a typo in a global constant
• Only log the relevant details of reviews, instead of the entire GitHub object

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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.54%. Comparing base (809a7f0) to head (6e58fc9).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #33105   +/-   ##
=======================================
  Coverage   81.54%   81.54%           
=======================================
  Files         226      226           
  Lines       13777    13777           
  Branches     2414     2414           
=======================================
  Hits        11235    11235           
  Misses       2270     2270           
  Partials      272      272           

Flag	Coverage Δ
suite.unit	81.54% <ø> (ø)

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Components	Coverage Δ
packages/aws-cdk	80.94% <ø> (ø)
packages/aws-cdk-lib/core	82.17% <ø> (ø)

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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[aws-cdk-automation]

AWS CodeBuild CI Report

• CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
• Commit ID: 6e58fc9
• Result: SUCCEEDED
• Build Logs (available for 30 days)

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