ci-config: use new bincache server

Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>

Author: tormath1

ci-automation/ci-config.env

@@ -8,9 +8,9 @@
 #  Required services:
 #  - http and https (WITHOUT auto-redirect)
 #  - ssh for BUILDCACHE_USER
-BUILDCACHE_SERVER="${BUILDCACHE_SERVER:-bincache.flatcar-linux.net}"
-BUILDCACHE_PATH_PREFIX="/srv/bincache"
-BUILDCACHE_USER="bincache"
+BUILDCACHE_SERVER="${BUILDCACHE_SERVER:-143-42-221-178.ip.linodeusercontent.com}"
+BUILDCACHE_PATH_PREFIX="/mnt/bucket/bincache"
+BUILDCACHE_USER="core"
 
 RELEASES_SERVER="mirror.release.flatcar-linux.net"
 CONTAINER_REGISTRY="ghcr.io/flatcar"