Bump actions/upload-artifact from 3 to 4 (#33)

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

.github/workflows/refresh-lockfiles.yml

@@ -52,7 +52,7 @@ jobs:
           $CONDA/bin/conda-lock lock -k explicit -p linux-64 -f requirements/${{matrix.python}}.yml
           mv conda-linux-64.lock ${{matrix.python}}-linux-64.lock
       - name: output lockfile
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: ${{matrix.python}}-linux-64.lock