[Communication][Rooms] Introduce Collaborator role feature

[allchiang-msft]

Description

ACS Rooms is adding a new role to existing participant roles: Collaborator role.

New Swagger spec: https://github.com/Azure/azure-rest-api-specs/pull/32463/files
If an SDK is being regenerated based on a new swagger spec, a link to the pull request containing these swagger spec changes has been included above.

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• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
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[azure-sdk]

API change check

APIView has identified API level changes in this PR and created following API reviews.

com.azure:azure-communication-rooms