BUILD: add metroctl alias

Change-Id: If6d56c07755b04b87607e4b54ee8f967e98b1e52
Reviewed-on: https://review.monogon.dev/c/monogon/+/460
Reviewed-by: Sergiusz Bazanski <serge@monogon.tech>
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/BUILD b/BUILD
index 7234a41..13d6f4d 100644
--- a/BUILD
+++ b/BUILD
@@ -75,6 +75,11 @@
 )
 
 alias(
+    name = "metroctl",
+    actual = "//metropolis/cli/metroctl:metroctl",
+)
+
+alias(
     name = "goimports",
     actual = "@org_golang_x_tools//cmd/goimports:goimports",
     visibility = ["//visibility:public"],