Postgres Store and Sample Booking Application

[matt-lethargic]

Describe the bug

When trying to run the sample application I get issues when using the Postgres Event Store

[21:23:31 ERR] Connection id "0HMSS7CKOM6IE", Request id "0HMSS7CKOM6IE:00000001": An unhandled exception was thrown by the application. System.InvalidOperationException: Unable to activate type 'Eventuous.Postgresql.PostgresStore'. The following constructors are ambiguous: Void .ctor(Eventuous.Postgresql.GetPostgresConnection, Eventuous.Postgresql.PostgresStoreOptions, Eventuous.IEventSerializer, Eventuous.IMetadataSerializer) Void .ctor(Eventuous.Postgresql.GetPostgresConnection, Microsoft.Extensions.Options.IOptions'1[Eventuous.Postgresql.PostgresStoreOptions], Eventuous.IEventSerializer, Eventuous.IMetadataSerializer)

To Reproduce Steps to reproduce the behavior:

1. Add Npgsql 6.0.4 nuget to Bookings and Bookings.Payments
2. Add Eventuous.Postgres 0.14.1-alpha.0.7 nuget to Bookings
3. Add the following code to Registrations.cs

        NpgsqlConnection GetConnection() => new(connectionString);
        services.AddSingleton(GetConnection);
        services.AddAggregateStore<PostgresStore>();

5. Start Bookings application and send request to endpoint
6. Error is thrown

Expected behavior Sample application works as it does when using EventStoreDB

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