Bump actions/upload-artifact from 2 to 3 (ciromattia#468)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v2...v3)

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

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

.github/workflows/package-linux.yml

@@ -60,7 +60,7 @@ jobs:
       env:
         UPDATE_INFO: gh-releases-zsync|ciromattia|kcc|latest|*x86_64.AppImage.zsync
     - name: upload artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: AppImage
         path: './*.AppImage*'