Issue #16960: introduce `UnusedLocalMethodCheck` (RSPEC-S1144)

[Pankraz76]

Issue #16960: introduce UnusedLocalMethodCheck (RSPEC-S1144)

?

[Pankraz76]

PR Description grepped:00:00
You introduce new Check00:00
--- .ci-temp/verify-no-exception-configs/web.txt	2025-04-27 10:19:58.582542273 +000000:00
+++ .ci-temp/verify-no-exception-configs/file.txt	2025-04-27 10:19:58.590542301 +000000:00
@@ -183,6 +183,7 @@00:00
 UnusedCatchParameterShouldBeUnnamed00:00
 UnusedImports00:00
 UnusedLambdaParameterShouldBeUnnamed00:00
+UnusedLocalMethod00:00
 UnusedLocalVariable00:00
 UpperEll00:00
 VariableDeclarationUsageDistance00:00
Please create PR to repository https://github.com/checkstyle/contribution

[Pankraz76]

ERROR:  Error installing mdl:
        The last version of mixlib-shellout (>= 0) to support your Ruby & RubyGems was 3.3.8. Try installing it with `gem install mixlib-shellout -v 3.3.8` and then running the current command again
        mixlib-shellout requires Ruby version >= 3.0. The current ruby version is 2.7.0.0.

Exited with code exit status 1