In order to be able to create the source package we need quilt.
However, this is not needed to create the binary package and so it is
not considered a build dependency belonging to build-depends.
This change installs quilt on the GHA runner before building the source
package.
Keyman makes it possible for you to type in any language on Windows, macOS, Linux, iPhone, iPad, Android tablets and phones, and even instantly in your web browser. Create keyboard layouts with Keyman Developer and share them with the community in the keyboards repository. The Keyman Community have already contributed keyboard layouts for over 2,000 languages!
License
Copyright (c) SIL International.
Keyman is an open source project distributed under the MIT license.