message: faucet: Add stargate and proto-signing dependencies
diff: "@cosmjs/encoding": "^0.23.1",
  "@cosmjs/launchpad": "^0.23.1",
  "@cosmjs/math": "^0.23.1",
  + "@cosmjs/proto-signing": "^0.23.1",
  + "@cosmjs/stargate": "^0.23.1",
  "@cosmjs/utils": "^0.23.1",
  "@koa/cors": "^3.0.0",
  "koa": "^2.11.0",
  