Add bash completion for `docker {run,create} --stop-timeout`

Signed-off-by: Harald Albers <github@albersweb.de>

contrib/completion/bash/docker

@@ -2387,6 +2387,7 @@ _docker_run() {
 		--security-opt
 		--shm-size
 		--stop-signal
+		--stop-timeout
 		--storage-opt
 		--tmpfs
 		--sysctl