Move of module utbot-python-types into a separate repository

[tochilinak]

Description

Moved module utbot-python-types here: https://github.com/UnitTestBot/PythonTypesAPI.

Now the module is picked by UTBot with jitpack. The commit hash is specified in gradle.properties of the project.

How to test

All standard checks for utbot-python. Behaviour should not have changed.

Self-check list

Check off the item if the statement is true. Hint: [x] is a marked item.

Please do not delete the list or its items.

• I've set the proper labels for my PR (at least, for category and component).
• PR title and description are clear and intelligible.
• I've added enough comments to my code, particularly in hard-to-understand areas.
• The functionality I've repaired, changed or added is covered with automated tests.
• Manual tests have been provided optionally.
• The documentation for the functionality I've been working on is up-to-date.