Steps performed:
- Add "microsecond" and "nanosecond" to "intl/icu/data_filter.json".
- Run "icu_sources_data.py" to update the ICU data file.
- Run "update-tzdata.sh" to reapply the tzdata 2022f changes.
- Add "microsecond" and "nanosecond" to "SanctionedSimpleUnitIdentifiers.yaml".
- Run "make_intl_data.py units" to regenerate additional SpiderMonkey files.
Spec PR: https://github.com/tc39/ecma402/pull/708
Differential Revision: https://phabricator.services.mozilla.com/D161676