Log Message:
Update to 2.2015
Update DEPENDS

Upstream changes:
2.2015   2021-03-31

  [TESTS]

  - a test has been rewritten so as to remove IO::String from the prerequisite
    list (#179, thanks Ricardo Signes!)

  [OTHER]

  - optional prereq on List::SomeUtils has been replaced with List::Util 1.56.

2.2014   2020-12-19

  [ENHANCEMENTS]

  - Include details about expected values when Enum type checks fail (#174;
    thanks sherrardb)

  [DOCUMENTATION]

  - fix misleading missing semicolon in exceptions example (#170; thanks
    Perlover)

  [OTHER]

  - allow internal packages to be indexed by PAUSE. This avoids their
    permissions being captured (possibly unintentionally) by others.
  - Sub::Identify prerequisite removed, in favour of already-existing local
    code.