⬆️ 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](actions/upload-artifact@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -72,7 +72,7 @@ jobs:
         if: runner.os == 'Linux' && startsWith(github.ref, 'refs/tags/')
         with:
           password: ${{ secrets.PYPI_API_TOKEN }}
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: runner.os == 'Linux' && ! startsWith(github.ref, 'refs/tags/')
         with:
           path: |