[nautilus/ci-rawhide] CI: install gcovr using pip

[Ernestas Kulik <ernestask src gnome org>]

commit 42ef05cfbc6945c0c2060269e6507000388ba558
Author: Ernestas Kulik <ernestask gnome org>
Date:   Thu Feb 22 16:04:30 2018 +0200

    CI: install gcovr using pip

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3674eb212..8d91951d8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,8 @@ before_script:
                    gtk3-devel gnome-autoar-devel gnome-desktop3-devel
                    gobject-introspection-devel libselinux-devel
                    libxml2-devel tracker-devel desktop-file-utils
-                   libgexiv2-devel gcovr
+                   libgexiv2-devel python3-pip
+  - pip3 install gcovr
 
 # Coverage data contains paths relative to the build directory,
 # so changing to it makes writing filter expressions easier.