Merge pull request actions#137 from actions/joshgross/update-actions-…

…core

Update @actions/core to 1.2.7

Update v4.0 tag

Update v4 tag

Merge pull request actions#136 from actions/search-cwd-first

Only search cwd on user-script require calls

Merge pull request actions#135 from actions/wrap-require

Support installed npm modules and relative require

Update version to 3.1.1

Update v3.1 tag

Update v3 tag