[evince/wip/gpoo/ci-cache] build: Fix permissions in local cache

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 16fd6bffb1db7a58d10925bfd9a607ae87c57765
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Thu Mar 31 09:12:20 2022 -0300

    build: Fix permissions in local cache

 .gitlab-ci.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f54dbb706..96e20c5bf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -50,7 +50,9 @@ flatpak:
         MESON_ARGS: "-Dnautilus=false -Dgtk_doc=false"
         APP_ID: "org.gnome.Evince"
     extends: .flatpak
-    allow_failure: true
+    # cache: []
+    before_script:
+      - chown -R 777 /cache
 
 nightly:
     dependencies: