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]>

.github/workflows/build_pyodide_wheels.yml

@@ -70,7 +70,7 @@ jobs:
         run: |
           GALPY_VERSION="$(awk '/^current_version/{print $NF}' .bumpversion.cfg)"
           for f in dist/*$GALPY_VERSION*; do sudo mv -i -- "$f" "${f//$GALPY_VERSION/latest}"; done
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: galpy-wheel-pyodide
           path: dist/*.whl

.github/workflows/wheels.yml

@@ -98,7 +98,7 @@ jobs:
           CIBW_REPAIR_WHEEL_COMMAND_MACOS: >
             DYLD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH delocate-listdeps {wheel} &&
             DYLD_LIBRARY_PATH=$REPAIR_LIBRARY_PATH delocate-wheel -v --require-archs {delocate_archs} -w {dest_dir} {wheel}
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.python }}-${{ matrix.buildplat[1] }}_${{ matrix.buildplat[2] }}
           path: ./wheelhouse/*.whl
@@ -121,7 +121,7 @@ jobs:
         run: |
           pip install build
           python -m build --sdist
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: sdist
           path: ./dist/*.tar.gz