Update ci.yml

Test relaxed project requirement

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip wheel setuptools
-        pip install -r requirements.txt
+        pip install -e .
         pip install pytest-cov
     - name: Run tests and collect coverage
       run: python -m pytest --cov=smact --cov-report=xml -v