Docs update request: /run-arbitrum-node/run-full-node

[pkoch]

Source: https://docs.arbitrum.io/run-arbitrum-node/run-full-node

Request: Typo

Depends on the chain and its traffic overtime

should obviously be

Depends on the chain and its traffic over time

[pete-vielhaber]

Thank you for raising this! It will be corrected in this PR