Move tox requirements into separate files

Author: dflook

.github/workflows/test.yaml

@@ -191,8 +191,16 @@ jobs:
         run: pip install coverage
 
       - name: Combine coverage
+        run: coverage combine --rcfile=.config/.coveragerc
+
+      - name: Upload combined coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-combined
+          path: .coverage
+
+      - name: Generate report
         run: |
-          coverage combine --rcfile=.config/.coveragerc
           coverage report --rcfile=.config/.coveragerc --format=markdown >> "$GITHUB_STEP_SUMMARY"
           coverage html --rcfile=.config/.coveragerc