[gnome-runtime-images] Switch nightly to fd.o 22.08 branch

[Jordan Petridis <jpetridis src gnome org>]

commit 7507616022ab3d97a04459627e7e0421c3d527c2
Author: Kévin Commaille <zecakeh tedomum fr>
Date:   Sat Sep 3 12:25:50 2022 +0200

    Switch nightly to fd.o 22.08 branch

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e4a3350..84acf56 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -157,7 +157,7 @@ flat-manager-client-manifest:
   variables:
     BRANCH: master
     REGISTRY_TAG: 'gnome-master'
-    FD_BRANCH: "22.08beta"
+    FD_BRANCH: "22.08"
     LLVM_VERSION: "14"
     LLVM_VERSION_2: "14"
   rules: