Guid uri template path/query parameter values should be normalized to string

[baywet]

the std uri template library does not handle guids, and wont because it's not a standard API across languages and they don't want to bring on additional dependencies.
We should normalize the value to string (no curlies) before we pass it to the uri template engine.
Originally reported:
std-uritemplate/std-uritemplate#140
microsoft/kiota#4335

Example implementation https://github.com/microsoft/kiota-abstractions-dotnet/blob/5a93d126e9ce30ae332e65f30df7b941e7d7c265/src/RequestInformation.cs#L123

[pjmagee]

same for dates microsoft/kiota#4644