Fix typo on Table Storage Component

[justinyoo]

This PR is to:

• Improve consistency on variables among blobs, queues and tables

// blobs
var blobs = builder.AddAzureStorage("storage")
    .AddBlobs("blobs");

// queues
var queues = builder.AddAzureStorage("storage")
    .AddQueues("queues");

// tables
var tables = builder.AddAzureStorage("storage")
    .AddTables("tables");

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Internal previews

📄 File	🔗 Preview link
docs/storage/azure-storage-queues-component.md	.NET Aspire Azure Queue Storage component
docs/storage/azure-storage-tables-component.md	.NET Aspire Azure Data Tables component