Hive Engine - Housekeeping and Library Updates

This minor release updates some Javascript library versions and adds a few quality of life improvements.

PRs included (all by @Rishi556 ):

#3 - Change Default Node In Registering For Divergence Check
#4 - Bump minimum node version
#5 - Websockets Support And Dual RPC Support
#6 - Uses Github Actions To Run Automated Tests

See individual PRs for more details. A few things of note:

• The minimum required version of Node.js has been increased to 16.15.0
• New configuration settings in config.json:

"rpcWebsockets" : {
    "enabled" : true,
    "port" : 5002
}

• @hiveio/dhive library updated to version 1.2.4
• jayson library updated to version 4.0.0