chore(deps): bump actions/upload-pages-artifact from 1.0.9 to 2.0.0

Bumps [actions/upload-pages-artifact](https://github.com/actions/upload-pages-artifact) from 1.0.9 to 2.0.0.
- [Release notes](https://github.com/actions/upload-pages-artifact/releases)
- [Commits](actions/upload-pages-artifact@66b63f4...a753861)

---
updated-dependencies:
- dependency-name: actions/upload-pages-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/docs.yml

@@ -26,7 +26,7 @@ jobs:
         run: |
           make doc
       - name: upload docs artifact
-        uses: actions/upload-pages-artifact@66b63f4a7de003f4f00cc8e9af4b83b8f2abdb96 # v1.0.9
+        uses: actions/upload-pages-artifact@a753861a5debcf57bf8b404356158c8e1e33150c # v2.0.0
         with:
           path: ./html/