[polari] ci: Update flatpak bundle runtime repo

[Florian Müllner <fmuellner src gnome org>]

commit 6953445b7aaae2f704d391c081dd138908ebc3de
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Dec 19 14:55:16 2019 +0100

    ci: Update flatpak bundle runtime repo
    
    sdk.gnome.org has been decommisioned a while ago.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 47ea978..f765d9c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -41,7 +41,7 @@ eslint:
     variables:
         # Your manifest path
         MANIFEST_PATH: "flatpak/org.gnome.Polari.json"
-        RUNTIME_REPO: "https://sdk.gnome.org/gnome-nightly.flatpakrepo";
+        RUNTIME_REPO: "https://nightly.gnome.org/gnome-nightly.flatpakrepo";
         FLATPAK_MODULE: "polari"
         APP_ID: "org.gnome.Polari"
     extends: .flatpak