Add another new bug in MySql.Data 8.0.21.

Author: bgrainger

docs/content/tutorials/migrating-from-connector-net.md

@@ -250,3 +250,4 @@ The following bugs in Connector/NET are fixed by switching to MySqlConnector. (~
 * [#99793](https://bugs.mysql.com/bug.php?id=99793): Prepared stored procedure command doesn't verify parameter types
 * [#100159](https://bugs.mysql.com/bug.php?id=100159): SQL with DateTime parameter returns String value
 * [#100208](https://bugs.mysql.com/bug.php?id=100208): `GetSchema("Procedures")` returns `ROUTINE_DEFINITION` of `"System.Byte[]"`
+* [#100218](https://bugs.mysql.com/bug.php?id=100218): `TIME(n)` microsecond values deserialized incorrectly with prepared command

tests/SideBySide/PreparedCommandTests.cs

@@ -385,8 +385,6 @@ public static IEnumerable<object[]> GetInsertAndQueryData()
 #else
 				yield return new object[] { isPrepared, "BOOL", true, MySqlDbType.Int32 };
 #endif
-
-				// https://bugs.mysql.com/bug.php?id=91770
 				yield return new object[] { isPrepared, "TIME(3)", TimeSpan.Zero.Subtract(new TimeSpan(15, 10, 34, 56, 789)), MySqlDbType.Time };
 
 #if !BASELINE