vagrant demo need to update kuma to 1.3.0

[thatsk]

Summary

we are still getting kuma 1.0.3 on vagrant demo.
please update it to 1.3.0

[thatsk]

WARNING: You are using kumactl version 1.3.0 for Kuma, but the server returned version: Kuma 1.0.3
MESH      NAME         TAGS                                                       AGE
default   backend      kuma.io/protocol=http kuma.io/service=backend version=v0   2h
default   backend-v1   kuma.io/protocol=http kuma.io/service=backend version=v1   2h
default   frontend     kuma.io/protocol=http kuma.io/service=frontend             2h
default   kong         kuma.io/service=kong                                       1h
default   postgresql   kuma.io/service=postgresql                                 2h
default   redis        kuma.io/service=redis                                      2h

[jpeach]

Thanks @thatsk. Marking this as a duplicate of kumahq/kuma-demo#121.