Merge pull request #141 from OpenAssetIO/dependabot/github_actions/actions/upload-artifact-6

[CI]: Bump actions/upload-artifact from 4 to 6

Author: feltech

.github/workflows/build-wheels.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Build wheels
         run: pip wheel --no-deps --wheel-dir wheelhouse .
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: openassetio-manager-bal-wheels
           path: ./wheelhouse/*.whl