Bump @actions/core from 1.0.0 to 1.2.6#13

dependabot[bot] wants to merge 3 commits intomainyaananth/run-notebook:mainfrom

dependabot/npm_and_yarn/actions/core-1.2.6yaananth/run-notebook:dependabot/npm_and_yarn/actions/core-1.2.6Copy head branch name to clipboard