Bump actions/checkout from 2 to 3.1.0#123

dependabot[bot] wants to merge 1 commit intocurrentfredrike/home-assistant.github.io:currentfrom

dependabot/github_actions/current/actions/checkout-3.1.0fredrike/home-assistant.github.io:dependabot/github_actions/current/actions/checkout-3.1.0Copy head branch name to clipboard