[gtksourceview] gitlab-ci: add jpeg and png libraries

[Christian Hergert <chergert src gnome org>]

commit f8cb3d711eef80a94d2dbc3b2cc327e065e561f6
Author: Christian Hergert <chergert redhat com>
Date:   Wed Feb 2 14:15:36 2022 -0800

    gitlab-ci: add jpeg and png libraries

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4823e6a6..24e7d998 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,7 +27,7 @@ reference:
     variables:
         MESON_FLAGS: "-Dwerror=true --buildtype=release"
     script:
-        - sudo dnf -y install git
+        - sudo dnf -y install git libpng-devel libjpeg-turbo-devel
         - mkdir -p pfx/
         - meson ${MESON_FLAGS} --prefix=${PWD}/pfx -Dgtk_doc=true _build
         - ninja -C _build install