message: Update faucet Dockerfile
diff: # Coose from https://hub.docker.com/_/node/
  FROM node:12.14.1-alpine
  -RUN yarn global add @cosmwasm/faucet@0.0.3
  +RUN yarn global add @cosmwasm/faucet@0.0.8
  # Check it exists
  RUN /usr/local/bin/cosmwasm-faucet version
  