[Fix #10979] Fix a false positive for Style/RedundantParentheses

[koic]

Fixes #10979.

This PR fixes a false positive for Style/RedundantParentheses when using parentheses in method call with pin operator.

---

Before submitting the PR make sure the following are checked:

• The PR relates to only one subject with a clear title and description in grammatically correct, complete sentences.
• Wrote good commit messages.
• Commit message starts with [Fix #issue-number] (if the related issue exists).
• Feature branch is up-to-date with master (if not - rebase it).
• Squashed related commits together.
• Added tests.
• Ran bundle exec rake default. It executes all tests and runs RuboCop on its own code.
• Added an entry (file) to the changelog folder named {change_type}_{change_description}.md if the new code introduces user-observable changes. See changelog entry format for details.

[Tietew]

Thanks for quick response! But I found that ^(pin (begin !{lvar ivar cvar gvar})) should be allowed.

[Tietew]

For example:
foo in { bar: ^(1) } should be corrected to foo in { bar: 1 }.
foo in { bar: ^([1]) } should be corrected to foo in { bar: [1] }.
foo in { bar: ^([var]) } should be allowed.

[Tietew]

Created new PR #10981

[koic]

I will close this PR to take #10981.