[gnome-games] (4 commits) Non-fast-forward update to branch wip/exalm/bsnes2

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/bsnes2' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  13203b7... flatpak: List firmware in bsnes-mercury descriptor

Commits added to the branch:

  e7fd502... meson: Add math dep (*)
  2973e8d... collection-header-bar: Make title static (*)
  b8b24b2... collection-header-bar: Center title (*)
  bf31df7... flatpak: List firmware in bsnes-mercury descriptor

(*) This commit already existed in another branch; no separate mail sent