Roll Observatory packages and add a roll script

intl/lib/src/data/dates/symbols/ru.json

Index: intl/lib/src/data/dates/symbols/ru.json
diff --git a/intl/lib/src/data/dates/symbols/ru.json b/intl/lib/src/data/dates/symbols/ru.json
deleted file mode 100644
index 3b9f2863e7a03768c24e3fa74547fe39fd703fb9..0000000000000000000000000000000000000000
--- a/intl/lib/src/data/dates/symbols/ru.json
+++ /dev/null
@@ -1 +0,0 @@
-{"NAME":"ru","ERAS":["до н. э.","н. э."],"ERANAMES":["до н.э.","н.э."],"NARROWMONTHS":["Я","Ф","М","А","М","И","И","А","С","О","Н","Д"],"STANDALONENARROWMONTHS":["Я","Ф","М","А","М","И","И","А","С","О","Н","Д"],"MONTHS":["января","февраля","марта","апреля","мая","июня","июля","августа","сентября","октября","ноября","декабря"],"STANDALONEMONTHS":["Январь","Февраль","Март","Апрель","Май","Июнь","Июль","Август","Сентябрь","Октябрь","Ноябрь","Декабрь"],"SHORTMONTHS":["янв.","февр.","марта","апр.","мая","июня","июля","авг.","сент.","окт.","нояб.","дек."],"STANDALONESHORTMONTHS":["Янв.","Февр.","Март","Апр.","Май","Июнь","Июль","Авг.","Сент.","Окт.","Нояб.","Дек."],"WEEKDAYS":["воскресенье","понедельник","вторник","среда","четверг","пятница","суббота"],"STANDALONEWEEKDAYS":["Воскресенье","Понедельник","Вторник","Среда","Четверг","Пятница","Суббота"],"SHORTWEEKDAYS":["вс","пн","вт","ср","чт","пт","сб"],"STANDALONESHORTWEEKDAYS":["Вс","Пн","Вт","Ср","Чт","Пт","Сб"],"NARROWWEEKDAYS":["вс","пн","вт","ср","чт","пт","сб"],"STANDALONENARROWWEEKDAYS":["В","П","В","С","Ч","П","С"],"SHORTQUARTERS":["1-й кв.","2-й кв.","3-й кв.","4-й кв."],"QUARTERS":["1-й квартал","2-й квартал","3-й квартал","4-й квартал"],"AMPMS":["AM","PM"],"DATEFORMATS":["EEEE, d MMMM y 'г'.","d MMMM y 'г'.","d MMM y 'г'.","dd.MM.yy"],"TIMEFORMATS":["H:mm:ss zzzz","H:mm:ss z","H:mm:ss","H:mm"],"AVAILABLEFORMATS":null,"FIRSTDAYOFWEEK":0,"WEEKENDRANGE":[5,6],"FIRSTWEEKCUTOFFDAY":6,"DATETIMEFORMATS":["{1}, {0}","{1}, {0}","{1}, {0}","{1}, {0}"]}