Log Message:
mm-common: updated to 1.0.4

mm-common 1.0.4 (2022-02-11)

* Add util/doc_postprocess.py and util/doc_install.py.
  Generating documentation in modules that use mm-common
  does not require Perl in Meson builds.

Meson build and skeletonmm:
* Specify 'check' option in run_command().
  The default value will change in future Meson releases.