test: test contract type caching

[antazoey]

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Overview

Test feature on this PR: https://github.com/ApeWorX/ape/pull/712/files to show that we can cache contract type when retrieving them from an explorer

Specification

Describe the syntax and semantics of how you would like to see this feature implemented. The more detailed the better!

Remember, your feature is much more likely to be included if it does not involve any breaking changes.

Dependencies

Include links to any open issues that must be resolved before this feature can be implemented.