[epiphany] CI: Set GSB API Key for flatpak builds

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 0e11f1a84fef660fc9c4e10a97d74db1630837cd
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Sun Sep 27 16:35:12 2020 +0200

    CI: Set GSB API Key for flatpak builds

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 26c724b8a..9032c9497 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,14 +26,14 @@ check-code-style:
 flatpak:
   extends: '.flatpak'
   variables:
-    CONFIG_OPTS: '-Dprofile=Devel -Dunit_tests=enabled --werror'
+    CONFIG_OPTS: '-Dprofile=Devel -Dunit_tests=enabled --werror -Dgsb_api_key=${GSB_API_KEY}'
   except:
     - master
 
 flatpak master:
   extends: '.flatpak'
   variables:
-    CONFIG_OPTS: '-Dtech_preview=true -Dprofile=Devel'
+    CONFIG_OPTS: '-Dtech_preview=true -Dprofile=Devel -Dgsb_api_key=${GSB_API_KEY}'
   only:
     - master