Changed version of Python for GitHub Actions.

[CLOUDDST-21764]

Author: lipoja

.github/workflows/run_tox.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         # https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.9", "3.10"]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}