Attempt to fix test step in pipeline

.github/workflows/main.yaml

@@ -29,7 +29,7 @@ jobs:
           poetry run black . --check
           poetry run isort . --check-only
           poetry run flake8 .
-          
+
   bandit:
     name: bandit
     runs-on: ubuntu-latest
@@ -105,16 +105,13 @@ jobs:
   test:
     name: test
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
     needs: [bandit, cognitive, isort, lint, pydocstyle]
     steps:
       - uses: actions/checkout@v3
       - name: set up python
         uses: actions/setup-python@v4
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.10"
       - name: set up poetry
         run: curl -sSL https://install.python-poetry.org | python3 -
       - name: configure gitlab auth