Fix pytheon version in ut

Author: sovrasov

.github/workflows/pre_commit.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.9"
       - name: Install dependencies
         run: pip install 'model_api/python/.[tests,ovms]'
       - name: Run python unit tests