HPCC-10315 add unicode version of fn_hyphen_match

Implement UnicodeHyphenMatch() and UnicodeLocaleHyphenMatch() based on
the implementation of SALTxx.fn_hyphen_match()

Signed-off-by: Edin Muharemagic <edin.muharemagic@lexisnexis.com>
Merge branch 'saltlib_update' into candidate-4.2.0

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>