InvariantCulture to fix localization

[erwinkramer]

Description

Use InvariantCulture to fix localization.

Or else you get (on non-US):

== APP == insert into orders (orderid, customer, price) values (1, 'John Smith', 100,32);
== APP == fail: Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware[1]
== APP ==       An unhandled exception has occurred while executing the request.
== APP ==       Dapr.DaprException: Binding operation failed: the Dapr endpoint indicated a failure. See InnerException for details.
== APP ==        ---> Grpc.Core.RpcException: Status(StatusCode="Internal", Detail="error invoking output binding sqldb: error executing query: ERROR: INSERT has more expressions than target columns (SQLSTATE 42601)")`

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• The quickstart code compiles correctly
• You've tested new builds of the quickstart if you changed quickstart code
• You've updated the quickstart's README if necessary
• If you have changed the steps for a quickstart be sure that you have updated the automated validation accordingly. All of our quickstarts have annotations that allow them to be executed automatically as code. For more information see mechanical-markdown. For user guide with examples see Examples.

[paulyuk]

LGTM. Thank you for contribution and adjustments to the builder. Running tests now against release-1.14 so we can take it there.

[paulyuk]

closed and reopened to retest on rebase of release-1.14 branch

[paulyuk]

This only affects C# quickstarts, and those checks pass. I'm merging.