adopt coverage upload to avoid problems

.gitea/workflows/python-checks.yml

@@ -45,11 +45,18 @@ jobs:
           pip-audit -r req.txt
           bandit -r app/
 
-      - name: Upload Coverage
+      - name: Upload Coverage HTML
         if: always()
         uses: actions/upload-artifact@v3
         with:
-          name: coverage-report
-          path: |
-            htmlcov/
-            coverage.xml
+          name: coverage-html
+          path: htmlcov/
+          if-no-files-found: warn
+
+      - name: Upload Coverage XML
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage-xml
+          path: coverage.xml
+          if-no-files-found: warn