[gnome-build-meta/gnome-3-38] ci: really allow aarch64 to fail

[Jordan Petridis <jpetridis src gnome org>]

commit ac13a217ca1d2f20cc47147fed837cae657fd81e
Author: Jordan Petridis <jordan centricular com>
Date:   Fri Jun 11 13:44:52 2021 +0300

    ci: really allow aarch64 to fail
    
    followup to 75e90edc493c20c59fe904191a610c63795629c8

 .gitlab-ci/arch.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci/arch.yml b/.gitlab-ci/arch.yml
index 2114f5ef..8a16fc67 100644
--- a/.gitlab-ci/arch.yml
+++ b/.gitlab-ci/arch.yml
@@ -34,6 +34,7 @@ variables:
   - gnome-build-meta
   variables:
     ARCH: aarch64
+  allow_failure: true
 
 .arm:
   image: "${DOCKER_AARCH64}"