rubocops/resource_requires_dependencies: check sym_type?

[cho-m]

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Previous behavior shouldn't impact expected DSL usage; however, in the case of some incorrect DSL brew audit will output a message like:

An error occurred while FormulaAudit/ResourceRequiresDependencies cop was inspecting ...
Errors are usually caused by RuboCop bugs.
Please, report your problems to RuboCop's issue tracker.

To avoid incorrectly directing users to RuboCop repo, I am following up on #17032 to only operate after filtering the sym_type?

[MikeMcQuaid]

Good catch, thanks @cho-m!