[connections/fix-fedora-build-in-ci] ci: Set GIT_SUBMODULE_STRATEGY: recursive

[Felipe Borges <felipeborges src gnome org>]

commit b93a96f1d84bb396c528cbbfb0a96d35f77f6237
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Aug 11 16:09:14 2021 +0200

    ci: Set GIT_SUBMODULE_STRATEGY: recursive

 .gitlab-ci.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 126e9d5..da9bf7b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,6 +25,8 @@ fedora:latest:
     image: fedora:latest
     stage: fedora
     needs: []
+    variables:
+        GIT_SUBMODULE_STRATEGY: recursive
     before_script:
     - dnf update -y --nogpgcheck
     - dnf install -y meson git vala gtk3-devel