Publish watcher 4.0.0

@rosen-bridge/watcher

4.0.0

Major Changes

• Support contract and tokensMap version and update info controller for version configs
• Update watcher regarding to decimal drop refactor

Minor Changes

• Add warn level to logger health parameter and tune the thresholds
• Add ethereum health check parameters
• Integrate Ethereum network

Patch Changes

• Update scanner packages
• Always check ergo node sync status as a health parameter
• Log current watcher version
• Update significant decimal for tokens that are already stored in db
• Fix watcher network switch in scanner init