Bump actions/upload-artifact from v2.2.2 to v2.2.3 (#87)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from v2.2.2 to v2.2.3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v2.2.2...ee69f02b3dfdecd58bb31b4d133da38ba6fe3700)

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

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

.github/workflows/check-links.yml

@@ -19,7 +19,7 @@ jobs:
       run: gem install awesome_bot
     - name: Run Awesome Bot
       run: awesome_bot README.md --request-delay 1 --allow-timeout -t 5 --allow-dupe --white-list sho.rt,your.site,long.url,awesome.re
-    - uses: actions/upload-artifact@v2.2.2
+    - uses: actions/upload-artifact@v2.2.3
       if: failure()
       with:
         name: ab-results