Fix assertpy DeprecationWarning
* [x] Fix assertpy DeprecationWarning
#### Resolution
* [x] upgrade `assertpy` from `0.14.0` to `1.0` version
* [x] rebuild docker image with new requirements
#### Problem
DeprecationWarning at job [#381187532](https://gitlab.com/aleksandr-kotlyar/python_and_gitlab/-/jobs/381187532)
```
/usr/local/lib/python3.7/site-packages/assertpy/assertpy.py:1174: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working
1037 if not isinstance(d, collections.Iterable):
1038 -- Docs: https://docs.pytest.org/en/latest/warnings.html
```
issue