IGNITE-24214 [ducktests] Use python3.8 for ducktest checkstyle (#11814)

Author: skorotkov

.github/workflows/commit-check.yml

@@ -97,7 +97,7 @@ jobs:
         cfg:
           - { python: "3.8", toxenv: "py38" }
           - { python: "3.9", toxenv: "py39" }
-          - { python: "3.9", toxenv: "codestyle" }
+          - { python: "3.8", toxenv: "codestyle" }
     steps:
       - uses: actions/checkout@v4
         with:

modules/ducktests/tests/tox.ini

@@ -25,7 +25,7 @@ commands =
     pytest {env:PYTESTARGS:} {posargs}
 
 [testenv:codestyle]
-basepython = python3.9
+basepython = python3.8
 commands =
     flake8