* master: (67 commits)
  Include key info for "expected hoisted" invariant (yarnpkg#7009)
  refactor: remove unnecessary checks (yarnpkg#6955)
  fix: drive letter casing for win32 pnp (yarnpkg#7007)
  Don’t call `release` with an exit code (yarnpkg#6981)
  Check os and platform even when engines is not present in package.json (yarnpkg#6976)
  Fix handling of non-offline errors (yarnpkg#6968)
  Treat the ignore-scripts in yarnrc as a synonym to the cli arg (yarnpkg#6983)
  fix(pnp): make sure pnp module is again the first preloaded module. (yarnpkg#6951)
  refactor: remove unused imports (yarnpkg#6956)
  Add 1.14.0 to changelog (yarnpkg#6967)
  1.15.0-0
  v1.14.0
  Fix suggested command after unlinking a package (yarnpkg#6931)
  Update CHANGELOG.md
  fix(pnp): make sure pnp module is the first preloaded module. (yarnpkg#6942)
  fix(pnp): make sure that the package locator is fetched with a trailing slash (yarnpkg#6882)
  Improve rendering of Chocolatey package description (yarnpkg#6899)
  Fixing dynamic require missing from webpack (yarnpkg#6908)
  feat(policies): Use github access token when requesting releases (yarnpkg#6912)
  Fixes PnP detection across workspaces (yarnpkg#6878)
  ...