[#6560] Allow TokenCredential authentication in CosmosDbPartitionedStorage

[Cecilia Avila (ceciliaavila)]

Fixes #6560

Description

This PR adds the CosmosDB authentication method through TokenCredential in CosmosDbPartitionedStorage.

Specific Changes

• Upgraded Microsoft.Azure.Cosmos package from 3.15.1 to 3.32.2 to get the CosmosClient constructor that uses TokenCredential.
• Added TokenCredential property to CosmosDbPartitionedStorageOptions class.
• Updated validation to throw if AuthKey and TokenCredential properties are null.
• Added the alternative to create a CosmosClient using the TokenCredential if provided.

Testing

The following image shows the information saved in CosmosDB after creating the client using Azure credentials.

[BruceHaley]

✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.Azure.dll

[Coveralls (coveralls)]

Pull Request Test Coverage Report for Build 348550

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 11 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.01%) to 79.093%

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Files with Coverage Reduction	New Missed Lines	%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/SetProperties.cs	5	68.75%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/SetProperty.cs	6	62.5%

Totals
Change from base Build 348552:	0.01%
Covered Lines:	25823
Relevant Lines:	32649

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💛 - Coveralls