Refactor _uses_vulnerable_solc_version() onto the base AbstractDetector class

[devtooligan]

Describe the desired feature

I was looking at ticket #1424 and trying to figure out how we would limit the solc versions that the detector would run on.

I noticed one place we already do this is with _uses_vulnerable_solc_version() in enum_conversion.py.

I was thinking we could move that logic to the AbstractDetector base class and add a class attribute VULNERABLE_SOLC_VERSIONS that defaults to []. In the main detect() on the base class we could add logic which checks if the self.compilation_unit.solc_version is included in the list. (Skip the check if the list is empty)

This way, whenever we want to limit the vulnerable solc versions for a detector, we just add the new VULNERABLE_SOLC_VERSIONS attribute to the subclass, and done. No need to change any logic.

I think there may be other detectors that need to be limited to certain solc versions like this too, so this should make that easier.

I am planning to do this work before working on #1424 so am documenting this here and will submit separate prs.