Log Message:
Update to 1.23

Upstream changes:
1.23 2021-10-30 12:52:43 rurban
  - relax bogus blead test failures
  - add reverse test: if @Barewords are covered on keywords.h
  - move some @Barewords not in keywords.h to @BarewordsExtra
  - add %main, %CORE, %CORE::GLOBAL:: to @Hashes
  - fixed versions for EQ, CORE, state, break, given, when, default, UNITCHECK