Add eslint@9 to peer deps

[johnhunter]

resolved issue #3735

[socket-security]

New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/[email protected]	environment, filesystem Transitive: eval, shell, unsafe	+79	10.1 MB	eslintbot

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.71%. Comparing base (4467db5) to head (c9e4013).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3736   +/-   ##
=======================================
  Coverage   97.71%   97.71%           
=======================================
  Files         133      133           
  Lines        9470     9470           
  Branches     3469     3469           
=======================================
  Hits         9254     9254           
  Misses        216      216           

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[ljharb]

This is a duplicate of #3726, and does not actually test on eslint 9 (or else tons of tests would fail).