fix(deps): update flask-sqlalchemy digest to 168cb4b

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
Flask-SQLAlchemy	dependencies	digest	500e732 -> 168cb4b

Review

• Updates have been tested and work
• If updates are AWS related, versions match the infrastructure (e.g. Lambda runtime, database, etc.)

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[renovate]

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

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• any of the package files in this branch needs updating, or
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The artifact failure details are included below:

File name: poetry.lock

Updating dependencies
Resolving dependencies...


Because notification-api depends on Flask-SQLAlchemy (3.1.1) @ git+https://github.com/pallets-eco/flask-sqlalchemy.git@715d7d6b7ae3a60fc505781ea341dbfaa7616c5b which depends on sqlalchemy (>=2.0.16), sqlalchemy is required.
So, because notification-api depends on SQLAlchemy (1.4.51), version solving failed.