v2.19.1

What's Changed

• fix(exercises): the catalog columns preference keeps each column's width by @VolodymyrPorokhniak in #231
• fix(import): an image already in the registry is reused, a refused token is not "unavailable" by @VolodymyrPorokhniak in #232
• Release: catalog column widths, import reuses existing registry images by @VolodymyrPorokhniak in #233

Full Changelog: v2.19.0...v2.19.1