Updating ci pipeline

.github/workflows/ci.yml

@@ -12,12 +12,12 @@ jobs:
       max-parallel: 5
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.10, 3.11, 3.12]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -28,10 +28,6 @@ jobs:
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
 
       - name: Install Package and Test
-        run: |
-          cd $RUNNER_WORKSPACE/
-          cd jwst_backgrounds/
-
-          python setup.py install
-
-          pytest
+        run: | 
+          pip install -e .[test] pytest-xdist
+          pytest -n auto jwst_backgrounds/tests/