github: Bump timeout to 90m

Signed-off-by: Stéphane Graber <stgraber@stgraber.org>

Author: stgraber

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
         arch:
           - amd64
           - arm64
-    timeout-minutes: 60
+    timeout-minutes: 90
     runs-on:
       - self-hosted
       - cpu-4