[gtksourceview] gitlab-ci: ensure we have git installed

[Christian Hergert <chergert src gnome org>]

commit 1b1f0d27de86958b81f13e621f594d190786e39d
Author: Christian Hergert <chergert redhat com>
Date:   Wed Feb 2 13:58:07 2022 -0800

    gitlab-ci: ensure we have git installed

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e60f29ee..c42af010 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,6 +27,7 @@ reference:
     variables:
         MESON_FLAGS: "-Dwerror=true --buildtype=release"
     script:
+        - dnf -y install git
         - mkdir -p pfx/
         - meson ${MESON_FLAGS} --prefix=${PWD}/pfx -Dgtk_doc=true _build
         - ninja -C _build install