[citemplates] Non-fast-forward update to branch wip/christopherdavis/use-flatpak-builder

[Christopher Davis <christopherdavis src gnome org>]

The branch 'wip/christopherdavis/use-flatpak-builder' 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:

  39ccaa4... template: Use `flatpak-builder` instead of `flatpak build`

Commits added to the branch:

  0862dad... template: Add template for apps that need SDKs