Add 4 new values "shortGeneric", "longGeneric", "shortOffset", and "longOffset" for Intl.DateTimeFormat timeZoneName option
Docs: https://github.com/tc39/proposal-intl-extend-timezonename https://tc39.es/proposal-intl-extend-timezonename/ https://docs.google.com/presentation/d/1N4QoCxFVM4ZKr9gDnaDDnrHb-5_rPTy-wydp-f90xBM https://docs.google.com/presentation/d/1a4cp-Jw_k47iv3oHFDC2rhkNPHbZbTzrZOSVR_4_QlM