Bump r-lib/actions from 2.pre.branch to 2.11.4#646

jgabry merged 1 commit intomasterstan-dev/rstanarm:masterfrom

dependabot/github_actions/r-lib/actions-2.11.4stan-dev/rstanarm:dependabot/github_actions/r-lib/actions-2.11.4Copy head branch name to clipboard