Make Gradle check work

[intgr]

As noted in #75 gradlew check was failing for me for half a dozen different reasons.

To be completely frank, I have no idea what I'm doing. I'm not familiar with the tools used in the Java world. I just kept bumping versions and applying solutions from StackOverflow until it seemed to work.

If you would prefer a more nuanced approach, let me know.

Contributor checklist

• [x] I am using the provided codeStyleConfig.xml
• [x] I have tested my contribution on these versions of PyCharm/IDEA:
  • IntelliJ IDEA 2021.2.3
  • PyCharm Community Edition 2021.2.3
• [x] My contribution is fully baked and ready to be merged as is
• [x] I ensure that all the open issues my contribution fixes are mentioned in the commit message of my first commit using the Fixes #1234 syntax

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Description

Type of Changes

	Type
✓	:bug: Bug fix

[leinardi]

@intgr btw, do you also use PyLint? If you do you should have a look at this twin plugin: https://github.com/leinardi/pylint-pycharm I'd like to port your changes to the build gradle there but, if you prefer, you could make a PR yourself, so that will appear there as your contribution as well. Let me know what you prefer :)

[intgr]

I don't use pylint myself, but if the changes are easy to port over, I'll gladly do it. I'll give it a shot.

[leinardi]

The 2 projects differ just for the name and the Runner class, should be very easy to port. Just ping me if you have any issue :+1: