[gtk/ci-cache-fix] ci: Purge the glib subproject from the cache

[Matthias Clasen <matthiasc src gnome org>]

commit 9f1310743e62409b05db980ec59ff4cab0977683
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jun 8 11:30:35 2021 -0400

    ci: Purge the glib subproject from the cache
    
    See if this helps with the master -> main transition.

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f195a3374f..afdf4c216e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -78,6 +78,7 @@ fedora-x86_64:
     EXTRA_MESON_FLAGS: "--buildtype=debug --default-library=both"
   script:
     - .gitlab-ci/show-info-linux.sh
+    - rm -rf subprojects/glib
     - meson subprojects update
     - meson ${COMMON_MESON_FLAGS} ${EXTRA_MESON_FLAGS} ${BACKEND_FLAGS} ${FEATURE_FLAGS}
             _build