*: add dcr01s{22,24}

Change-Id: I072e825e2e1d199d9da50b9d38a9ffba68e61182
diff --git a/cluster/certs/etcd-dcr01s22.hswaw.net.cert b/cluster/certs/etcd-dcr01s22.hswaw.net.cert
new file mode 100644
index 0000000..69930ec
--- /dev/null
+++ b/cluster/certs/etcd-dcr01s22.hswaw.net.cert
@@ -0,0 +1,30 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----