`ServerSession.FinishQuerying` throws `InvalidOperationException` due to possible race

[bgrainger]

Software versions
MySqlConnector version: 2.2.2
Server type (MySQL, MariaDB, Aurora, etc.) and version: AzureDatabase for MySQL 5.7
.NET version: .NET Framework 4.7.2
(Optional) ORM NuGet packages and versions: Dapper 1.60.6

Describe the bug

ServerSession.FinishQuerying throws an InvalidOperationException.

Exception

System.InvalidOperationException: Expected state to be Failed but was CancelingQuery.
   at void MySqlConnector.Core.ServerSession.VerifyState(State state) in /_/src/MySqlConnector/Core/ServerSession.cs:line 1797
   at void MySqlConnector.Core.ServerSession.FinishQuerying() in /_/src/MySqlConnector/Core/ServerSession.cs:line 328
   at void MySqlConnector.MySqlConnection.FinishQuerying(bool hasWarnings) in /_/src/MySqlConnector/MySqlConnection.cs:line 885
   at async Task MySqlConnector.MySqlDataReader.DisposeAsync(IOBehavior ioBehavior, CancellationToken cancellationToken) in /_/src/MySqlConnector/MySqlDataReader.cs:line 631
   at void MySqlConnector.MySqlDataReader.Dispose(bool disposing) in /_/src/MySqlConnector/MySqlDataReader.cs:line 439
   at async Task<int> MySqlConnector.MySqlCommand.ExecuteNonQueryAsync(IOBehavior ioBehavior, CancellationToken cancellationToken) in /_/src/MySqlConnector/MySqlCommand.cs:line 303
   at async Task<int> Dapper.SqlMapper.ExecuteImplAsync(IDbConnection cnn, CommandDefinition command, object param) in C:/projects/dapper/Dapper/SqlMapper.Async.cs:line 678

Expected behavior

No exception. Query should be cancelled successfully (if cancellation happens).

Additional context

There may be a race condition between here and here.

[bgrainger]

Fixed in 2.4.0.