Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v3...v4)

---
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/main.yml

@@ -32,7 +32,7 @@ jobs:
           make IMAGE_BUILD_OPTS="--pull" "build-${{ matrix.arch }}-image" "save-${{ matrix.arch }}-image"
       - name: 'Upload artifacts'
         if: "startsWith(github.ref, 'refs/tags/v') && matrix.arch != 'native'"
-        uses: 'actions/upload-artifact@v3'
+        uses: 'actions/upload-artifact@v4'
         with:
           name: 'dist-${{ matrix.arch }}'
           path: './dist/'