Baseline: e6bb6fcfcc9b571ef0bbdf039b5ae67954ade222

Incompatible changes:

  - --legacy_important_outputs now has a default of false.
  - --legacy_important_outputs default reverted to true.

Important changes:

  - pkg_tar(symlinks) has been removed. Users needing that feature
    should
    migrate to @rules_pkg.

This release contains contributions from many people at Google, as well as Alessandro Patti, Benjamin Lee, Benjamin Peterson.