no-unused-expressions error when optional chaining

[herberthenrique]

Describe the bug

We must disable the rule no-unused-expressions from our eslint configuration and enable babel/no-unused-expressions from your eslint-plugin-babel.

Reference:
babel/eslint-plugin-babel#185

Steps to reproduce

Steps to reproduce the behavior:

1. Create a project with foundry optional chaining enabled
2. Try to use with a function call, eg. myObject?.foo()
3. ESLint will complain

Expected behavior

No eslint error for this use case.