[pango/gi-docs] Revert "ci: Use the new Fedora image"

[Matthias Clasen <matthiasc src gnome org>]

commit a334d5c6caae368e5b8a55c3269b8d13365aec72
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Feb 15 19:10:00 2021 -0500

    Revert "ci: Use the new Fedora image"
    
    This reverts commit 29c7597901775881a91c8aef1e35e6afe18f57d8.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0cdd0e1f..7af9bccd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,7 @@ stages:
 variables:
   COMMON_MESON_FLAGS: "--fatal-meson-warnings --werror"
   MESON_TEST_TIMEOUT_MULTIPLIER: 2
-  FEDORA_IMAGE: registry.gitlab.gnome.org/gnome/pango/fedora:v5
+  FEDORA_IMAGE: registry.gitlab.gnome.org/gnome/pango/fedora:v4
 
 .only-default:
   only: