[gnome-builder] .gitlab-ci: add flathub-beta

[Christian Hergert <chergert src gnome org>]

commit 03bdbc0c7469fe41918a04d1218dda232799924c
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 11 23:49:45 2022 -0700

    .gitlab-ci: add flathub-beta

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f49c9e044..467d7d91a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,6 +15,7 @@ flatpak:
     BUNDLE: "gnome-builder-git.flatpak"
   before_script:
     - flatpak --user remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+    - flatpak --user remote-add --if-not-exists flathub-beta 
https://flathub.org/beta-repo/flathub-beta.flatpakrepo
     - flatpak --user install -y flathub org.freedesktop.Sdk.Extension.llvm14//21.08
     - flatpak --user install -y flathub org.freedesktop.Sdk.Extension.node14//21.08