Bump actions/upload-artifact from 2 to 3 (#243)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/check.yml

@@ -59,7 +59,7 @@ jobs:
           f".tox/.coverage.{os.environ['TOXENV']}-{sys.platform}")
         shell: python
       - name: Upload coverage data
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: coverage-data
           path: ".tox/.coverage.*"
@@ -91,7 +91,7 @@ jobs:
       - name: Combine and report coverage
         run: tox -e coverage
       - name: Upload HTML report
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: html-report
           path: .tox/htmlcov