Switzerland - Fix Rebublic Day (Neuchâtel) (#661)

Author: tinohager

src/Nager.Date/HolidayProviders/SwitzerlandHolidayProvider.cs

@@ -89,6 +89,14 @@ protected override IEnumerable<HolidaySpecification> GetHolidaySpecifications(in
                     SubdivisionCodes = ["CH-UR", "CH-SZ", "CH-GR", "CH-TI"]
                 },
                 new HolidaySpecification
+                {
+                    Date = new DateTime(year, 3, 1),
+                    EnglishName = "Republic Day",
+                    LocalName = "Jahrestag der Ausrufung der Republik",
+                    HolidayTypes = HolidayTypes.Public,
+                    SubdivisionCodes = ["CH-NE"]
+                },
+                new HolidaySpecification
                 {
                     Date = new DateTime(year, 3, 19),
                     EnglishName = "Saint Joseph's Day",