Localized new strings added in the redesigned Material Date Picker (#56645)

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

diff --git a/packages/flutter_localizations/lib/src/l10n/material_it.arb b/packages/flutter_localizations/lib/src/l10n/material_it.arb
index 1b26899..33fefc5 100644
--- a/packages/flutter_localizations/lib/src/l10n/material_it.arb
+++ b/packages/flutter_localizations/lib/src/l10n/material_it.arb
@@ -52,5 +52,23 @@
   "remainingTextFieldCharacterCountOne": "1 carattere rimanente",
   "remainingTextFieldCharacterCountOther": "$remainingCount caratteri rimanenti",
   "refreshIndicatorSemanticLabel": "Aggiorna",
-  "moreButtonTooltip": "Altro"
+  "moreButtonTooltip": "Altro",
+  "dateSeparator": "/",
+  "dateHelpText": "mm/dd/yyyy",
+  "selectYearSemanticsLabel": "Select year",
+  "unspecifiedDate": "Date",
+  "unspecifiedDateRange": "Date Range",
+  "dateInputLabel": "Enter Date",
+  "dateRangeStartLabel": "Start Date",
+  "dateRangeEndLabel": "End Date",
+  "dateRangeStartDateSemanticLabel": "Start date $fullDate",
+  "dateRangeEndDateSemanticLabel": "End date $fullDate",
+  "invalidDateFormatLabel": "Invalid format.",
+  "invalidDateRangeLabel": "Invalid range.",
+  "dateOutOfRangeLabel": "Out of range.",
+  "saveButtonLabel": "SAVE",
+  "datePickerHelpText": "SELECT DATE",
+  "dateRangePickerHelpText": "SELECT RANGE",
+  "calendarModeButtonLabel": "Switch to calendar",
+  "inputDateModeButtonLabel": "Switch to input"
 }