prepare v3.0.7 version

[Thaipanda]

Change Description

1. Support EOSVM and EOSVMOC
2. Consolidated Security Fixes for eos-vm
3. Upgrade create_snapshot API to keep the compatibility
4. Upgrade Dockerfile to support EOSVM

API Changes

• /v1/producer/create_snapshot, add export_snapshot_type

   enum export_snapshot_type {
      snapshot = 0,        // snapshot for data to use for restoring a node
      acts_snapshot = 1    // snapshot for all accounts with system token balance
   };

Create normal snapshot:

curl http://127.0.0.1:{$PORT}/v1/producer/create_snapshot

Create account balance snapshot:

curl -d 1 http://127.0.0.1:{$PORT}/v1/producer/create_snapshot