[gimp/gimp-2-10] gitlab-ci: make the GIMP build more complete

[Michael Schumacher <schumaml src gnome org>]

commit 2fefbded351a5edc262187712c8b7767f915bf51
Author: Michael Schumacher <schumaml gmx de>
Date:   Wed Dec 9 22:48:15 2020 +0100

    gitlab-ci: make the GIMP build more complete
    
    Added appstream-util, libaa-dev, libavif-dev, libgs-dev and libheif-dev.

 .gitlab-ci.yml | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8844d2eb5a..9bcc57d3ba 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,6 +28,7 @@ deps-debian/testing:
   before_script:
     - apt-get update
     - apt-get install -y --no-install-recommends
+        appstream-util
         autoconf
         automake
         build-essential
@@ -35,10 +36,14 @@ deps-debian/testing:
         ffmpeg
         graphviz
         gobject-introspection
+        libaa-dev
+        libavif-dev
         libjson-glib-dev
         libgexiv2-dev
         libgirepository1.0-dev
+        libgs-dev
         libgtk2.0-dev
+        libheif-dev
         liblcms2-dev
         libopenexr-dev
         libraw-dev