Release 23.1.0

• pull in ExifTool v12.67. Rebuild tags and docs. (d9f0063)
• yarn docs (4a509a2)
• don't test emoji in filenames on windows (c2eb83c)
• revert mistaken tz backfill condition (8c76df0)
• rebuild tags, docs, and update changelog (35883b9)
• yarn docs. prep changelog. (ed7bf9e)
• Date/Time parsing improvements to fix #157: - timezone validation is against a static list of all known timezone offsets (as a backstop against issue #157) - datetime and time parsing now handle timezone extraction, as the luxon 'Z' token is currently broken. - ExifTime now has a zone - extracted parsing into new TimeParsing - date/time parsing now uses a generator for template generation, which avoids some array GC - add a ton of new parsing tests (b722751)
• add yarn u script (409bd88)
• add SecondMs and improve typing for validDateTime() (f2a6d7e)
• delete commented console.log lines (bb10b8c)
• trivial pad improvements: - stricter input typing - avoid recursive call for negative numbers - add test for negative inputs that are longer than padlen (8bd1e9a)