ruby/rubygems bundler-v2.5.6

on GitHub

Deprecations:

• Refactor lockfile generation and deprecate Definition#lock with explicit lockfile #7047

Enhancements:

• Bump required_ruby_version to be used in bundle gem template #7430

Bug fixes:

• Fix musl platform not being added to the lockfile #7441
• Let Bundler.with_original_env properly restore env variables originally empty #7383