(fix) Consider Python version in the GitHub workflow cache for the environment

Author: abel

.github/workflows/run-tests.yml

@@ -29,7 +29,7 @@ jobs:
         uses: actions/cache@v3
         with:
           path: ./.venv
-          key: ${{ runner.os }}-venv-${{ hashFiles('**/poetry.lock') }}
+          key: ${{ runner.os }}-${{ matrix.python }}-venv-${{ hashFiles('**/poetry.lock') }}
 
       - name: Install dependencies
         if: steps.cache-venv.outputs.cache-hit != 'true'