[gssdp/wip/phako/gi-docgen] ci: Add missing modules for gi-docgen

[Jens Georg <jensgeorg src gnome org>]

commit 759acccff3e41193a5064e3976ea609aaa6fd24a
Author: Jens Georg <mail jensge org>
Date:   Sat May 22 15:30:08 2021 +0200

    ci: Add missing modules for gi-docgen

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f2d70ad..fc963c6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -68,7 +68,7 @@ check-merge-request:
       dnf install -y 'dnf-command(builddep)' &&
       dnf builddep -y gssdp --setopt=install_weak_deps=False &&
       dnf clean all &&
-      pip3 install meson
+      pip3 install meson markdown toml typogrify
 
 .gssdp.fedora:34@x86_64:
   extends: .gssdp.fedora@common