Yearly updates for test code

Every new year the following source needs updating:
bump the year at https://github.com/Jackett/Jackett/blob/69605ec356e57efd93f05c1bdd27cf8f64d61ef2/src/Jackett.Test/Common/Indexers/CardigannIndexerHtmlTests.cs#L57

            Assert.AreEqual(2022, firstRelease.PublishDate.Year);

bump the year at https://github.com/Jackett/Jackett/blob/0c1e3bec442832fb0985d180f26cdf59baed6e36/src/Jackett.Test/Common/Utils/DateTimeUtilTests.cs#L162

            var refDate = new DateTime(2024, 03, 12, 12, 00, 00, DateTimeKind.Local);