[libadwaita/wip/exalm/abi-checker: 8/10] ci: Work-around another libabigail problem

[Alexander Mikhaylenko <alexm src gnome org>]

commit 879bb6e1482d5f16369c00b83987e146eecf44d0
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Feb 10 13:19:36 2021 +0100

    ci: Work-around another libabigail problem

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8b75e0a..7165814 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -46,7 +46,8 @@ build-flatpak:
     BUNDLE: 'org.gnome.Adwaita.Demo.flatpak'
 
 abi-check:
-  image: fedora:rawhide
+  # See https://sourceware.org/bugzilla/show_bug.cgi?id=27267
+  image: fedora:33
   stage: build
   variables:
     DEPS: libabigail git gcc meson pkgconfig(gtk4) vala gobject-introspection