metropolis: use swtpm from monorepo

Change-Id: I6da94c7eaa31930d120955a17661152fc284f4a0
Reviewed-on: https://review.monogon.dev/c/monogon/+/3130
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/metropolis/test/launch/cluster/BUILD.bazel b/metropolis/test/launch/cluster/BUILD.bazel
index 2685e2c..89f7a7a 100644
--- a/metropolis/test/launch/cluster/BUILD.bazel
+++ b/metropolis/test/launch/cluster/BUILD.bazel
@@ -15,6 +15,7 @@
         "//metropolis/test/nanoswitch:initramfs",
         "//third_party/edk2:firmware",
         "@com_github_bonzini_qboot//:qboot-bin",
+        "@swtpm",
     ],
     importpath = "source.monogon.dev/metropolis/test/launch/cluster",
     visibility = ["//visibility:public"],