Update `ComponentGraph` methods to work with `abc.Set`

[shsms]

What's needed?

Most of the newer parts of the code base use abc.Set. But this isn't compatible with the methods of the component graph, because they still use set to type hint their parameters and return values. This leads to additional type conversions which can be avoided.

Proposed solution

Replace the uses of set with abc.Set in the component graph typehints.

Use cases

No response

Alternatives and workarounds

No response

Additional context

No response