Fix timeOfDayFormat for Danish (flutter#130437)

See title. According to
[CLDR](https://icu4c-demos.unicode.org/icu-bin/locexp?_=da_DK&d_=en&_l=da),
proper time of day format should be `HH.mm`.

Fixes flutter#130234.

Author: thkim1011

packages/flutter_localizations/lib/src/l10n/generated_material_localizations.dart

@@ -6204,7 +6204,7 @@ class MaterialLocalizationDa extends GlobalMaterialLocalizations {
   String get tabLabelRaw => r'Fane $tabIndex af $tabCount';
 
   @override
-  TimeOfDayFormat get timeOfDayFormatRaw => TimeOfDayFormat.HH_colon_mm;
+  TimeOfDayFormat get timeOfDayFormatRaw => TimeOfDayFormat.HH_dot_mm;
 
   @override
   String get timePickerDialHelpText => 'Vælg tidspunkt';

packages/flutter_localizations/lib/src/l10n/material_da.arb

@@ -1,6 +1,6 @@
 {
   "scriptCategory": "English-like",
-  "timeOfDayFormat": "HH:mm",
+  "timeOfDayFormat": "HH.mm",
   "openAppDrawerTooltip": "Åbn navigationsmenuen",
   "backButtonTooltip": "Tilbage",
   "closeButtonTooltip": "Luk",

packages/flutter_localizations/test/material/date_time_test.dart

@@ -110,6 +110,7 @@ void main() {
       testWidgets('formats ${TimeOfDayFormat.HH_dot_mm}', (WidgetTester tester) async {
         expect(await formatTimeOfDay(tester, const Locale('fi'), const TimeOfDay(hour: 20, minute: 32)), '20.32');
         expect(await formatTimeOfDay(tester, const Locale('fi'), const TimeOfDay(hour: 9, minute: 32)), '09.32');
+        expect(await formatTimeOfDay(tester, const Locale('da'), const TimeOfDay(hour: 9, minute: 32)), '09.32');
       });
 
       testWidgets('formats ${TimeOfDayFormat.frenchCanadian}', (WidgetTester tester) async {