cloud/shepherd: move ssh client to own package

Change-Id: I56ad16f8f2f355243c5c0414656bbfbbff1faef5
Reviewed-on: https://review.monogon.dev/c/monogon/+/2791
Reviewed-by: Serge Bazanski <serge@monogon.tech>
Tested-by: Jenkins CI
diff --git a/cloud/shepherd/provider/equinix/BUILD.bazel b/cloud/shepherd/provider/equinix/BUILD.bazel
index 727fbcf..4214f16 100644
--- a/cloud/shepherd/provider/equinix/BUILD.bazel
+++ b/cloud/shepherd/provider/equinix/BUILD.bazel
@@ -20,6 +20,7 @@
         "//cloud/lib/sinbin",
         "//cloud/shepherd",
         "//cloud/shepherd/manager",
+        "//go/net/ssh",
         "//metropolis/cli/pkg/context",
         "@com_github_packethost_packngo//:packngo",
         "@io_k8s_klog_v2//:klog",