[gnome-mud] ci: Use gtk3 vte291

[Mart Raudsepp <mraudsepp src gnome org>]

commit 2dd7f9f0e9755ffb7da94ac2285f358e82c517c1
Author: Mart Raudsepp <leio gentoo org>
Date:   Fri Jan 4 02:56:22 2019 +0200

    ci: Use gtk3 vte291
    
    Apparently gtk3 dep is implicit via vte right now; letting it be then.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c0e9a36..8e72e3e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,7 @@ stages:
 
 before_script:
   - dnf install -y glib2-devel gnome-common gstreamer1-devel
-                   intltool make vte-devel which
+                   intltool make vte291-devel which
 
 build_gnome_mud:
   stage: build