bump hashicorp/memberlist v0.1.4, hashicorp/serf v0.8.3

vendor.conf

@@ -3,7 +3,7 @@ github.com/BurntSushi/toml                          3012a1dbe2e4bd1391d42b32f057
 github.com/containerd/cgroups                       318312a373405e5e91134d8063d04d59768a1bff
 github.com/Microsoft/go-winio                       6c72808b55902eae4c5943626030429ff20f3b63 # v0.4.14
 github.com/Microsoft/hcsshim                        9dcb42f100215f8d375b4a9265e5bba009217a85 # moby branch
-github.com/armon/go-metrics                         eb0af217e5e9747e41dd5303755356b62d28e3ec
+github.com/armon/go-metrics                         ec5e00d3c878b2a97bbe0884ef45ffd1b4f669f5
 github.com/armon/go-radix                           e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
 github.com/coreos/etcd                              d57e8b8d97adfc4a6c224fe116714bf1a1f3beb9 # v3.3.12
 github.com/coreos/go-semver                         8ab6407b697782a06568d4b7f1db25550ec2e4c6 # v0.2.0
@@ -20,15 +20,17 @@ github.com/gogo/protobuf                            5628607bb4c51c3157aacc3a50f0
 
 github.com/godbus/dbus/v5                           37bf87eef99d69c4f1d3528bd66e3a87dc201472 # v5.0.3
 github.com/gorilla/mux                              98cb6bf42e086f6af920b965c38cacc07402d51b # v1.8.0
+github.com/google/btree                             4030bb1f1f0c35b30ca7009e9ebd06849dd45306 # v1.0.0
 github.com/hashicorp/consul                         9a9cc9341bb487651a0399e3fc5e1e8a42e62dd9 # v0.5.2
 github.com/hashicorp/errwrap                        8a6fb523712970c966eefc6b39ed2c5e74880354 # v1.0.0
-github.com/hashicorp/go-msgpack                     71c2886f5a673a35f909803f38ece5810165097b
+github.com/hashicorp/go-immutable-radix             7dd1121b595e4e1bd6dd5caa78e0f5c454740379 # v1.1.0
+github.com/hashicorp/go-msgpack                     ad60660ecf9c5a1eae0ca32182ed72bab5807961 # v0.5.5
 github.com/hashicorp/go-multierror                  886a7fbe3eb1c874d46f623bfa70af45f425b3d1 # v1.0.0
-github.com/hashicorp/memberlist                     3d8438da9589e7b608a83ffac1ef8211486bcb7c
+github.com/hashicorp/memberlist                     e1138a6a4d8a6eaec6c919aeae5efbe4d69b1ece # v0.1.4
 github.com/hashicorp/golang-lru                     7f827b33c0f158ec5dfbba01bb0b14a4541fd81d # v0.5.3
 github.com/sean-/seed                               e2103e2c35297fb7e17febb81e49b312087a2372
 github.com/hashicorp/go-sockaddr                    c7188e74f6acae5a989bdc959aa779f8b9f42faf # v1.0.2
-github.com/hashicorp/serf                           598c54895cc5a7b1a24a398d635e8c0ea0959870
+github.com/hashicorp/serf                           15cfd05de3dffb3664aa37b06e91f970b825e380 # v0.8.3
 github.com/miekg/dns                                6c0c4e6581f8e173cc562c8b3363ab984e4ae071 # v1.1.27
 github.com/opencontainers/runtime-spec              4d89ac9fbff6c455f46a5bb59c6b1bb7184a5e43 # v1.0.3-0.20200728170252-4d89ac9fbff6
 github.com/samuel/go-zookeeper                      d0e0d8e11f318e000a8cc434616d69e329edc374