fix(ci): add ARM buidls

Author: mariadb-LeonidFedorov

.drone.jsonnet

@@ -20,8 +20,8 @@ local extra_servers_platforms = {
   [current_branch]: ["rockylinux:9", "debian:13", "ubuntu:24.04", "ubuntu:22.04"],
 };
 
-//local archs = ["amd64", "arm64"];
-local archs = ["amd64"];
+local archs = ["amd64", "arm64"];
+//local archs = ["amd64"];
 
 local builddir = "verylongdirnameforverystrangecpackbehavior";