Roll Observatory packages and add a roll script

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

Index: intl/lib/src/data/dates/symbols/uz.json
diff --git a/intl/lib/src/data/dates/symbols/uz.json b/intl/lib/src/data/dates/symbols/uz.json
deleted file mode 100644
index f256e500f0a51b65f9efc44569e6b12b09cc5d3c..0000000000000000000000000000000000000000
--- a/intl/lib/src/data/dates/symbols/uz.json
+++ /dev/null
@@ -1 +0,0 @@
-{"NAME":"uz","ERAS":["M.A.","E"],"ERANAMES":["M.A.","E"],"NARROWMONTHS":["Y","F","M","A","M","I","I","A","S","O","N","D"],"STANDALONENARROWMONTHS":["Y","F","M","A","M","I","I","A","S","O","N","D"],"MONTHS":["Yanvar","Fevral","Mart","Aprel","May","Iyun","Iyul","Avgust","Sentyabr","Oktyabr","Noyabr","Dekabr"],"STANDALONEMONTHS":["Yanvar","Fevral","Mart","Aprel","May","Iyun","Iyul","Avgust","Sentyabr","Oktyabr","Noyabr","Dekabr"],"SHORTMONTHS":["Yanv","Fev","Mar","Apr","May","Iyun","Iyul","Avg","Sen","Okt","Noya","Dek"],"STANDALONESHORTMONTHS":["Yanv","Fev","Mar","Apr","May","Iyun","Iyul","Avg","Sen","Okt","Noya","Dek"],"WEEKDAYS":["yakshanba","dushanba","seshanba","chorshanba","payshanba","juma","shanba"],"STANDALONEWEEKDAYS":["yakshanba","dushanba","seshanba","chorshanba","payshanba","juma","shanba"],"SHORTWEEKDAYS":["Yaksh","Dush","Sesh","Chor","Pay","Jum","Shan"],"STANDALONESHORTWEEKDAYS":["Yaksh","Dush","Sesh","Chor","Pay","Jum","Shan"],"NARROWWEEKDAYS":["Y","D","S","C","P","J","S"],"STANDALONENARROWWEEKDAYS":["Y","D","S","C","P","J","S"],"SHORTQUARTERS":["1-ch","2-ch","3-ch","4-ch"],"QUARTERS":["1-chorak","2-chorak","3-chorak","4-chorak"],"AMPMS":["AM","PM"],"DATEFORMATS":["EEEE, y MMMM dd","y MMMM d","y MMM d","yy/MM/dd"],"TIMEFORMATS":["HH:mm:ss zzzz","HH:mm:ss z","HH:mm:ss","HH:mm"],"AVAILABLEFORMATS":null,"FIRSTDAYOFWEEK":0,"WEEKENDRANGE":[5,6],"FIRSTWEEKCUTOFFDAY":6,"DATETIMEFORMATS":["{1} {0}","{1} {0}","{1} {0}","{1} {0}"]}