Update changelog for version: 7.2.1

Merge pull request #1036 from amatsuda/wanings

Merge branch 'master' into wanings

Quick fix for missing jar

Update changelog for 7.2

Update changelog for version: 7.2.0

Change pnpm format for versions

Remove ruby 2.6 tests

:warning: character class has duplicated range

Require package.rb before requiring each package manager

:warning: loading in progress, circular require considered harmful

:warning: ambiguity between regexp and two divisions: wrap regexp in parentheses or add a space after '/' operator

Fix readme

Merge pull request #1016 from swarren12/bugfix/yarn-unknown-licenses

Merge pull request #1021 from pivotal/dependabot/bundler/rubocop-performance-tw-1.20.2