fix(eslint-plugin): [unified-signatures] allow overloads with different named and different number of parameters

[NotWoods]

PR Checklist

• Addresses an existing open issue: fixes Bug: [unified-signatures] overloads with differently named parameters are still reported when other parameters are present #6832
• That issue was marked as accepting prs
• Steps in Contributing were taken

Overview

Allows explicit different names with overloads where the number of parameters differ.

[typescript-eslint]

Thanks for the PR, @NotWoods!

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The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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✅ Successfully ran 25 targets

• Node 18 - nx test eslint-plugin
• Node 14 - nx test eslint-plugin --coverage=false
• Node 18 - nx test type-utils
• Node 18 - nx run-many --target=build --parallel --exclude website
• Node 18 - nx test utils
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• nx run-many --target=lint --parallel
• Node 18 - nx test eslint-plugin-tslint
• Node 14 - nx test type-utils --coverage=false
• Node 14 - nx run-many --target=build --parallel --exclude website
• Node 18 - nx test parser
• Node 18 - nx test typescript-estree
• Node 18 - nx test ast-spec
• Node 14 - nx test scope-manager --coverage=false
• Node 14 - nx test utils --coverage=false
• Node 14 - nx test eslint-plugin-tslint --coverage=false
• Node 18 - nx test eslint-plugin-internal
• Node 14 - nx test parser --coverage=false
• Node 14 - nx test ast-spec --coverage=false
• Node 14 - nx test typescript-estree --coverage=false
• Node 14 - nx test visitor-keys --coverage=false
• nx run-many --target=build --parallel --exclude website
• Node 14 - nx test eslint-plugin-internal --coverage=false
• Node 18 - nx test scope-manager

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[codecov]

Codecov Report

Merging #6877 (fa4848e) into main (f0f83ce) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6877      +/-   ##
==========================================
- Coverage   87.36%   87.36%   -0.01%     
==========================================
  Files         386      386              
  Lines       13190    13189       -1     
  Branches     3867     3866       -1     
==========================================
- Hits        11524    11523       -1     
  Misses       1300     1300              
  Partials      366      366              

Flag	Coverage Δ
unittest	87.36% <100.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ages/eslint-plugin/src/rules/unified-signatures.ts	92.05% <100.00%> (-0.06%)	⬇️

[JoshuaKGoldberg]

💯 thanks again @NotWoods!