Routine update by running scripts, ignoring clang-format's extensive
grumbles. Added notes to util/locale_database/'s README, on the need
for that, and enumdata.py, on when to add entries. As usual, several
new locales are also added, for existing languages, territories and
scripts.
[ChangeLog][QtCore][QLocale] Updated to new version of CLDR (the
Unicode Consortium's Common Locale Data Repository) v37.
Fixes: QTBUG-84669
Pick-to: 5.15
Change-Id: Ib76848bf4bd1219180faf46820077e8d8049a4e3
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>