Create optional dependency group for build, fix codecov (#567)

* Create optional dependency groups for build and cli

* revert cli optional-dependencies group

.github/workflows/python-tests.yml

@@ -39,7 +39,7 @@ jobs:
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        pip install .[build]
     - name: Test building documentation
       run: |
         cd docs
@@ -49,8 +49,7 @@ jobs:
         ruff check .
     - name: Run unit tests
       run: |
-        coverage run tests.py
-        coverage json
+        pytest --cov --cov-report=xml tests.py
     - name: Test sample DMARC reports
       run: |
         pip install -e .
@@ -61,3 +60,5 @@ jobs:
         hatch build
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v4
+      with:
+          token: ${{ secrets.CODECOV_TOKEN }}