fix setup.py spacy req string for packaging

[twerkmeister]

Description

spacy requirement string for model packages was broken.
It should be spacy>=2.0.2 instead of spacy2.0.2

Types of change

bug fix

Checklist

• I have submitted the spaCy Contributor Agreement.
• I ran the tests, and all new and existing tests passed. (There are no tests for the cli packaging)
• My changes don't require a change to the documentation, or if they do, I've added all required information.

[explosion-bot]

Hi @twerkmeister, thanks for your pull request! 👍 It looks like you haven't filled in the spaCy Contributor Agreement (SCA) yet. The agrement ensures that we can use your contribution across the project. Once you've filled in the template, put it in the .github/contributors directory and add it to this pull request. If your pull request targets a branch that's not master, for example develop, make sure to submit the Contributor Agreement to the master branch. Thanks a lot!

If you've already included the Contributor Agreement in your pull request above, you can ignore this message.

[honnibal]

Thank!