message: feat(sdk-coin-sol): update package.json
  Ticket:
diff: "bignumber.js": "^9.0.0",
  "bs58": "^4.0.1",
  "lodash": "^4.17.14",
  - "tweetnacl": "^1.0.3"
  + "tweetnacl": "^1.0.3",
  + "superagent": "^3.8.3"
  },
  "devDependencies": {
  "@bitgo/sdk-api": "^1.1.0",
  