Update to 0.89

• Add LICENSE_FILE
• Update COMMENT
• Clean up *_DEPENDS
• Add TEST_DEPENDS
• While I'm here, sort PLIST
• Pass maintainership to submitter

Changes: https://metacpan.org/changes/distribution/Test-Base
PR: 229203
Submitted by: Sergei Vyshenski <svysh.fbsd@gmail.com>
Approved by: maintainer (timeout, 5 weeks)