(AzureCosmosDBHook) Update to latest Cosmos API

[BenGatewood]

The AzureCosmosDBHook was still using the API of an older version of the Azure Cosmos SDK. These changes bring it up to date with v4.2.0 of the SDK

closes: #21412

[boring-cyborg]

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[potiuk]

Tests need fixing

[uranusjr]

Looks good to me except for one minor question.

[github-actions]

The PR is likely OK to be merged with just subset of tests for default Python and Database versions without running the full matrix of tests, because it does not modify the core of Airflow. If the committers decide that the full tests matrix is needed, they will add the label 'full tests needed'. Then you should rebase to the latest main or amend the last commit of the PR, and push it with --force-with-lease.

[josh-fell]

Nice one! Now this will actually be usable. Good find and fix @BenGatewood!

[boring-cyborg]

Awesome work, congrats on your first merged pull request!

[BenGatewood]

Thank you!