Gitlab/StrongMemoizeAttr:: Don't flag methods with parameters

What does this MR do and why?

This MR tweaks the existing 👮 rule Gitlab/StrongMemoizeAttr to not suggest strong_memoize_attr for methods with parameters.

For example, this code is no longer flagged:

def foo(param)
  strong_memoize(:foo) do
     # ...
  end
end

The initial approach to suggest strong_memoize_with caused too many false positives.

How to set up and validate locally

bundle exec rubocop --only Gitlab/StrongMemoizeAttr

MR acceptance checklist

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• I have evaluated the MR acceptance checklist for this MR.