message: tendermint-rpc: Update package name and version
diff: {
  - "name": "@iov/tendermint-rpc",
  - "version": "2.3.2",
  + "name": "@cosmjs/tendermint-rpc",
  + "version": "0.20.0",
  "description": "Codec to encode/decode bns transactions and state objects",
  "author": "IOV SAS <admin@iov.one>",
  "license": "Apache-2.0",
  