Bump actions/cache from 2.1.6 to 3.0.3#140

dependabot[bot] wants to merge 1 commit intomainsourcecred/template-instance:mainfrom

dependabot/github_actions/actions/cache-3.0.3sourcecred/template-instance:dependabot/github_actions/actions/cache-3.0.3Copy head branch name to clipboard