[epiphany/wip/exalm/gtk4-again] ci: Try GTK4 Tech Preview again

[Marge Bot <marge-bot src gnome org>]

commit 1eeb213b65268e7e79029a31f0912ee7e78751ef
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Oct 12 21:12:45 2022 +0400

    ci: Try GTK4 Tech Preview again
    
    Part-of: <https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1200>

 .gitlab-ci.yml | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ac55b7b6e..f09d61fc3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -89,8 +89,17 @@ flatpak stable:
   only:
     - gnome-*
 
+flatpak master gtk3:
+  extends: '.flatpak'
+  variables:
+    CONFIG_OPTS: '-Dtech_preview=true -Dprofile=Devel -Dunit_tests=enabled -Dgsb_api_key=${GSB_API_KEY}'
+  only:
+    - master
+
 flatpak master:
   extends: '.flatpak'
+  before_script:
+    - git checkout wip/exalm/gtk4
   variables:
     CONFIG_OPTS: '-Dtech_preview=true -Dprofile=Devel -Dunit_tests=enabled -Dgsb_api_key=${GSB_API_KEY}'
   only: