Base: Node operators should upgrade nodes before January 11th

Base announced on social media that Canyon is the first network upgrade after Bedrock and will be activated on the entire Superchain on January 11th. Node operators need to upgrade their nodes before this date. For Base Sepolia and Goerli node operators, the Delta hard fork will be activated on December 21st and 22nd respectively. Base testnet nodes should be upgraded to v0.6.0 before December 20th. Mainnet nodes should continue to run v0.5.1.