[buoh] (7 commits) Non-fast-forward update to branch ci

[Jan Tojnar <jtojnar src gnome org>]

The branch 'ci' 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:

  18d4230... build: Add Nix expression
  59491de... ci: Add Nix based build test

Commits added to the branch:

  b1e01a2... Update German translation (*)
  3311d2b... Update Brazilian Portuguese translation (*)
  63959b9... buoh-comic-list.c: Fix typo (*)
  cf3420c... buoh-view.c: fix typo (*)
  2a67860... comics: remove Commissioned (*)
  02d79f8... build: Add Nix expression
  5e78b3b... ci: Add Nix based build test

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