fix: Use runners_pull_policies to set pull_policy instead of allowed_pull_policies (#557)

Author: cinacio

template/runner-config.tpl

@@ -25,7 +25,7 @@ listen_address = "${prometheus_listen_address}"
     volumes = ["/cache"${runners_additional_volumes}]
     extra_hosts = ${jsonencode(runners_extra_hosts)}
     shm_size = ${runners_shm_size}
-    allowed_pull_policies = ${runners_pull_policies}
+    pull_policy = ${runners_pull_policies}
     runtime = "${runners_docker_runtime}"
     helper_image = "${runners_helper_image}"
   [runners.docker.tmpfs]