Replace usage of `intl.locale.matchOS` in tor-browser's build script
intl.locale.matchOS
is not anymore (see the respective Torbutton change in legacy/trac#26100 (moved)), we need to replace it in tor-browser's build script.
intl.locale.matchOS
is not anymore (see the respective Torbutton change in legacy/trac#26100 (moved)), we need to replace it in tor-browser's build script.