Support for aifs-single.
What's Changed
* Prepare for aifs-single by gmertes in https://github.com/ecmwf/ecmwf-opendata/pull/56
* Add wheel to python-publish.yml by iainrussell in https://github.com/ecmwf/ecmwf-opendata/pull/57
New Contributors
* gmertes made their first contribution in https://github.com/ecmwf/ecmwf-opendata/pull/56
* iainrussell made their first contribution in https://github.com/ecmwf/ecmwf-opendata/pull/57
**Full Changelog**: https://github.com/ecmwf/ecmwf-opendata/compare/0.3.14...0.3.15