[libhandy/wip/exalm/ci] ci: Specify branch for flatpak jobs

[Alexander Mikhaylenko <alexm src gnome org>]

commit 298ba9440f3bfd4c227c9f0286f2283447dfdf96
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Fri May 22 16:50:14 2020 +0500

    ci: Specify branch for flatpak jobs

 .gitlab-ci.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8bbb827b..07225cde 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -126,6 +126,7 @@ build-flatpak:
     RUNTIME_REPO: 'https://nightly.gnome.org/gnome-nightly.flatpakrepo'
     FLATPAK_MODULE: 'libhandy'
     APP_ID: 'sm.puri.Handy.Demo'
+    BRANCH: 'master'
 
 build-flatpak-glade:
   extends: '.flatpak'
@@ -136,3 +137,4 @@ build-flatpak-glade:
     RUNTIME_REPO: 'https://nightly.gnome.org/gnome-nightly.flatpakrepo'
     FLATPAK_MODULE: 'libhandy'
     APP_ID: 'sm.puri.Handy.Glade'
+    BRANCH: 'master'