Switzerland - Add Saints Peter and Paul (Tessin) (#668)

#667

Author: tinohager

src/Nager.Date/HolidayProviders/SwitzerlandHolidayProvider.cs

@@ -113,6 +113,14 @@ protected override IEnumerable<HolidaySpecification> GetHolidaySpecifications(in
                     SubdivisionCodes = ["CH-ZH", "CH-FR", "CH-SO", "CH-BS", "CH-BL", "CH-SH", "CH-AG", "CH-TG", "CH-TI", "CH-NE", "CH-JU"]
                 },
                 new HolidaySpecification
+                {
+                    Date = new DateTime(year, 6, 29),
+                    EnglishName = "Saints Peter and Paul",
+                    LocalName = "Peter und Paul",
+                    HolidayTypes = HolidayTypes.Public,
+                    SubdivisionCodes = ["CH-TI"]
+                },
+                new HolidaySpecification
                 {
                     Date = new DateTime(year, 8, 1),
                     EnglishName = "Swiss National Day",