[libpanel/alatiera/nightly] ci: update fedora image to 37

[Jordan Petridis <jpetridis src gnome org>]

commit 96dc1bcea01537ef2686f61cab28bc7119aa48cb
Author: Jordan Petridis <jordan centricular com>
Date:   Wed Sep 28 00:50:24 2022 +0300

    ci: update fedora image to 37

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f766fde..2e90cdf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,7 +32,7 @@ nightly@aarch64:
 
 fedora:
   stage: build
-  image: fedora:latest
+  image: fedora:37
   needs: []
   script:
     - sudo dnf install -y meson gi-docgen gettext gcc git gtk4-devel libadwaita-devel