Rebranding storage & vector integration of Azure CosmosDB Mongo vCore

[fatmelon]

Description

Azure CosmosDB Mongo vCore is about to be renamed Azure DocumentDB , so we need this renamed PR to avoid confusion

Fixes # (issue)

New Package?

Did I fill in the tool.llamahub section in the pyproject.toml and provide a detailed README.md for my new integration or package?

• Yes
• No

Version Bump?

Did I bump the version in the pyproject.toml file of the package I am updating? (Except for the llama-index-core package)

• Yes
• No

Type of Change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

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• I added new unit tests to cover this change
• I believe this change is already covered by existing unit tests

Suggested Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added Google Colab support for the newly added notebooks.
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I ran uv run make format; uv run make lint to appease the lint gods

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[logan-markewich]

We can change the class names, but we should also just export an alias to make it non-breaking for users? Or is this worth a breaking change over?

[fatmelon]

@logan-markewich thanks for the comment. Let me discuss this with PMs, will back to you if we have any updates