Fix generic location format for single-tz countries (#5657)

Author: robertbastian

components/datetime/src/format/neo.rs

@@ -1034,7 +1034,7 @@ impl<C: CldrCalendar, R: DateTimeNamesMarker> TypedDateTimeNames<C, R> {
     ///
     /// assert_try_writeable_eq!(
     ///     names.with_pattern(&pattern).format(&zone_london_winter),
-    ///     "Your time zone is: London Time",
+    ///     "Your time zone is: United Kingdom Time",
     /// );
     /// ```
     #[cfg(feature = "compiled_data")]

components/datetime/tests/patterns/tests/time_zones.json

@@ -214,7 +214,7 @@
         "configs": [
           "GenericLocation"
         ],
-        "expected": ["London Time"]
+        "expected": ["United Kingdom Time"]
       },
       {
         "patterns": [],
@@ -314,7 +314,7 @@
         "configs": [
           "GenericLocation"
         ],
-        "expected": ["Dublin Time"]
+        "expected": ["Ireland Time"]
       },
       {
         "patterns": [],
@@ -465,7 +465,7 @@
         "configs": [
           "GenericLocation"
         ],
-        "expected": ["東京時間"]
+        "expected": ["日本時間"]
       },
       {
         "patterns": [
@@ -802,7 +802,7 @@
         "configs": [
           "GenericNonLocationShort"
         ],
-        "expected": ["Катманду"]
+        "expected": ["Непал"]
       },
       {
         "patterns": [
@@ -827,7 +827,7 @@
         "configs": [
           "GenericLocation"
         ],
-        "expected": ["Катманду"]
+        "expected": ["Непал"]
       },
       {
         "patterns": [