Generate use statements based on docblock contents

[DBX12]

Pull request for issue #6266

[DBX12]

Hi @Naktibalda,
sorry for directly tagging you, but could you approve running the workflows? Thank you :)

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I'm participating in hacktoberfest, so I would be very happy if you could either mark the PR with an hacktoberfest-accepted label, approve it or merge it before 31st 2021 if you deem it useful :) If you don't think it is helpful, let me know and I withdraw the PR.

[DBX12]

Those dependencies are really ... fun. What is your opinion, should I / we write the annotation parsing from scratch and remove the other package or try to make it work somehow?

[Naktibalda]

It seems that I took 2 month break, I'm sorry if you didn't get Hacktoberfest T-shirt because of me.

Regarding phpdocumentor/reflection-docblock dependency, if you want to target Codeception 4.1, your code must be compatible with phpdocumentor/reflection-docblock v3 - v5. Probably it would be simpler to target Codeception 5.

And please add test for proposed change to https://github.com/Codeception/Codeception/blob/4.1/tests/cli/BuildCest.php