Feature: add database backed queues

[krishan711]

Description

Screenshots:

Checklist:

• I have updated the CHANGELOG with a summary of my changes

[Copilot]

Pull request overview

Adds database-backed queue implementations to core.queues, introducing SQL- and CosmosDB-based MessageQueue adapters and a deduplication mechanism carried through the queue message model.

Changes:

• Added SqlMessageQueue (SQLAlchemy-backed) and CosmosMessageQueue (Azure CosmosDB-backed) queue implementations.
• Introduced deduplicationId on Message and added a default content-based deduplication hash in MessageContent.
• Bumped several dependency minimum versions and added a Cosmos queue extra; updated the changelog.

Reviewed changes

Copilot reviewed 7 out of 8 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
pyproject.toml	Updates dependency minimums; adds queue-cosmos extra.
core/queues/model.py	Adds deduplicationId and default content-hash deduplication behavior.
core/queues/sqs.py	Propagates deduplicationId when decoding SQS messages.
core/queues/aqs.py	Propagates deduplicationId when decoding Azure Queue Storage messages.
core/queues/sql.py	Introduces SQL-backed queue table + SqlMessageQueue implementation.
core/queues/cosmos.py	Introduces CosmosDB-backed CosmosMessageQueue implementation.
CHANGELOG.md	Notes the new database-backed queue implementations.

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[Copilot]

Pull request overview

Copilot reviewed 7 out of 8 changed files in this pull request and generated 3 comments.