feat: ignore tear-off methods for avoid-unused-parameters

[incendial]

What is the purpose of this pull request? (put an "X" next to an item)

• Documentation update
• Bug fix
• New rule
• Changes an existing rule
• Add autofixing to a rule
• Add a CLI option
• Add something to the core
• Other, please explain:

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[github-actions]

Dart Code Metrics unused files report of dart_code_metrics. ✅

Summary

• Scanned package folders: bin, example, lib
• No unused files found! ✅

[github-actions]

Dart Code Metrics analyze report of dart_code_metrics. ✅

Summary

• Scanned folders: bin, example, lib, test

• Total scanned files: 548

• Total lines of source code: 9800

• Total classes: 420

• Average Cyclomatic Number per line of code: 0.37 / 2

• Average Source Lines of Code per method: 6

• Total tech debt: 2072.0 hours

• Found issues: 5 ⚠

[codecov]

Codecov Report

Merging #1126 (6a8b063) into master (a352607) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1126      +/-   ##
==========================================
+ Coverage   85.19%   85.22%   +0.02%     
==========================================
  Files         342      342              
  Lines        7540     7552      +12     
==========================================
+ Hits         6424     6436      +12     
  Misses       1116     1116              

Impacted Files	Coverage Δ
...nused_parameters/avoid_unused_parameters_rule.dart	100.00% <ø> (ø)
...ules/rules_list/avoid_redundant_async/visitor.dart	100.00% <100.00%> (ø)
...es/rules_list/avoid_unused_parameters/visitor.dart	100.00% <100.00%> (ø)
lib/src/utils/node_utils.dart	100.00% <100.00%> (ø)

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