Update JSON automatically from external sources

Author: github-actions[bot]

data/www/timezones.json

@@ -13,14 +13,14 @@
 "Africa/Brazzaville":"WAT-1",
 "Africa/Bujumbura":"CAT-2",
 "Africa/Cairo":"EET-2EEST,M4.5.5/0,M10.5.4/24",
-"Africa/Casablanca":"<+01>-1",
+"Africa/Casablanca":"<+00>0",
 "Africa/Ceuta":"CET-1CEST,M3.5.0,M10.5.0/3",
 "Africa/Conakry":"GMT0",
 "Africa/Dakar":"GMT0",
 "Africa/Dar_es_Salaam":"EAT-3",
 "Africa/Djibouti":"EAT-3",
 "Africa/Douala":"WAT-1",
-"Africa/El_Aaiun":"<+01>-1",
+"Africa/El_Aaiun":"<+00>0",
 "Africa/Freetown":"GMT0",
 "Africa/Gaborone":"CAT-2",
 "Africa/Harare":"CAT-2",
@@ -108,7 +108,7 @@
 "America/Denver":"MST7MDT,M3.2.0,M11.1.0",
 "America/Detroit":"EST5EDT,M3.2.0,M11.1.0",
 "America/Dominica":"AST4",
-"America/Edmonton":"MST7MDT,M3.2.0,M11.1.0",
+"America/Edmonton":"CST6",
 "America/Eirunepe":"<-05>5",
 "America/El_Salvador":"CST6",
 "America/Ensenada":"PST8PDT,M3.2.0,M11.1.0",
@@ -221,7 +221,7 @@
 "America/Whitehorse":"MST7",
 "America/Winnipeg":"CST6CDT,M3.2.0,M11.1.0",
 "America/Yakutat":"AKST9AKDT,M3.2.0,M11.1.0",
-"America/Yellowknife":"MST7MDT,M3.2.0,M11.1.0",
+"America/Yellowknife":"CST6",
 "Antarctica/Casey":"<+08>-8",
 "Antarctica/Davis":"<+07>-7",
 "Antarctica/DumontDUrville":"<+10>-10",
@@ -376,7 +376,7 @@
 "Canada/Atlantic":"AST4ADT,M3.2.0,M11.1.0",
 "Canada/Central":"CST6CDT,M3.2.0,M11.1.0",
 "Canada/Eastern":"EST5EDT,M3.2.0,M11.1.0",
-"Canada/Mountain":"MST7MDT,M3.2.0,M11.1.0",
+"Canada/Mountain":"CST6",
 "Canada/Newfoundland":"NST3:30NDT,M3.2.0,M11.1.0",
 "Canada/Pacific":"MST7",
 "Canada/Saskatchewan":"CST6",