build(deps): bump actions/upload-artifact from 2.3.1 to 3.1.2

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2.3.1 to 3.1.2.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v2.3.1...v3)

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

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

.github/workflows/ci.yaml

@@ -295,7 +295,7 @@ jobs:
       - name: Extract downloaded binaries
         run: tar -xvf result.tar.xz && rm result.tar.xz
       - name: Save aarch64 executable as artifact
-        uses: actions/upload-artifact@v2.3.1
+        uses: actions/upload-artifact@v3
         with:
           name: postgrest-ubuntu-aarch64
           path: result/postgrest