arm64 try 20 dind

Author: cyberb

.drone.jsonnet

@@ -169,5 +169,5 @@ local build(arch, distro, dind) = [{
 }];
 
 build("amd64", "bookworm", "20.10.21-dind") +
-build("arm64", "bookworm", "19.03.8-dind") +
+build("arm64", "bookworm", "20.10.21-dind") +
 build("arm", "bookworm", "19.03.8-dind")