build(deps): bump actions/upload-artifact from 2.2.4 to 2.3.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2.2.4 to 2.3.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v2.2.4...v2.3.0)

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

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

.github/workflows/loadtest.yaml

@@ -27,7 +27,7 @@ jobs:
           postgrest-loadtest-against main
           postgrest-loadtest-report > loadtest/loadtest.md
       - name: Upload report
-        uses: actions/upload-artifact@v2.2.4
+        uses: actions/upload-artifact@v2.3.0
         with:
           name: loadtest.md
           path: loadtest/loadtest.md