Bump cross-spawn, @yarnpkg/core and @yarnpkg/shell in /yarn2-plugins/prune-dev-dependencies#1356

colincasey merged 2 commits intomainheroku/heroku-buildpack-nodejs:mainfrom

dependabot/npm_and_yarn/yarn2-plugins/prune-dev-dependencies/multi-27c0fb74d1heroku/heroku-buildpack-nodejs:dependabot/npm_and_yarn/yarn2-plugins/prune-dev-dependencies/multi-27c0fb74d1Copy head branch name to clipboard