Switch to poetry

Author: alexander-akhmetov

.github/workflows/tests.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install tox==4.4.4 tox-pipenv==1.10.1 tox-gh-actions==3.0.0 pipenv==2022.12.19
+          pip install tox==3.28.0 tox-poetry==0.5.0 tox-gh-actions==2.12.0 poetry==1.3.2
 
       - name: Tests
         run: tox