[gcr] ci: Fix deploy step

[Niels De Graef <nielsdg src gnome org>]

commit 8661e5e37e30e0d3672f5fa4d0f9aa6614e52e6b
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Mon Jun 6 22:43:53 2022 +0200

    ci: Fix deploy step
    
    We haven't switched yet to a `main` branch, so keep the deploy step on
    `master` for now

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9b7b92d6..9b2109ec 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -87,7 +87,7 @@ fedora:coverage:
 pages:
   stage: deploy
   only:
-    - main
+    - master
   needs: ['fedora:coverage']
   before_script:
     - dnf upgrade -y