Update CT version in docker manager (#528)

* bump ct version to 1.57.1 in docker_manager.py

Signed-off-by: Piotr Pawłowski <[email protected]>
---------

Signed-off-by: Piotr Pawłowski <[email protected]>

Author: pawloch00

src/xpk/core/docker_manager.py

@@ -30,7 +30,7 @@
 DockerRunCommandExitCode = 135
 dockerBuildErrorCode = 134
 ctk_dockerfile_path = "Dockerfile"
-ctk_build_ref = "v1.55.0"
+ctk_build_ref = "v1.57.1"
 ctk_docker_image = "xpk-ctk"
 ctk_container_name = "xpk-ctk-container"
 gcloud_cfg_mount_path = "/root/.config/gcloud"