v1.7.4

1. Commands:
   1. git fetch
   2. git checkout v1.7.4
2. Restart validator

• pm2 start validator.local.config.js

What's Changed

• added sync for metagraph for low and high frequency jobs by @parkhomenko in #220
• miner code fixes for new bittensor version by @parkhomenko in #219

Full Changelog: v1.7.3...v1.7.4