chore(deps): bump actions/upload-artifact from 2 to 3 in the github-actions group

A smaller step towards:
* #182 

This one should pass.

Author: cclauss

.github/workflows/test.yml

@@ -58,7 +58,7 @@ jobs:
 
     - name: HTML coverage reports
       if: always()
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: coverage_${{ matrix.python-version }}
         path: coverage