Initialize azure blob storage client once during startup

[Meir017]

Describe the bug

In Garnet.Options we use a Func<INamedDeviceFactory> that each time called returns a new instance.

We could use a Lazy<INamedDeviceFactory> here to reduce the instances used to 1.

Steps to reproduce the bug

1. added log message in AzureStorageNamedDeviceFactory contructor,
   ex:

logger?.LogInformation("AzureStorageNamedDeviceFactory: serviceUri: {serviceUri}", serviceUri);

2. Start the server and see this message multiple times

Expected behavior

AzureStorageNamedDeviceFactory should be created only once

Screenshots

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Release version

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IDE

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OS version

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Additional context

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