Appt 2108: Refactor to a common ICacheStore interface to enable distributed cache

[pata9]

Description

Removed all dependencies on in memory interface from around the solution and centralised it into a new interface.

Fixes # (issue)

Checklist:

• My work is behind a feature toggle (if appropriate)
• If my work is behind a feature toggle, I've added a full suite of tests for both the ON and OFF state
• The ticket number is in the Pull Request title, with format "APPT-XXX: My Title Here"
• I have ran npm tsc / lint (in the future these will be ran automatically)
• My code generates no new .NET warnings (in the future these will be treated as errors)
• If I've added a new Function, it is disabled in all but one of the terraform groups (e.g. http_functions)
• If I've added a new Function, it has both unit and integration tests. Any request body validators have unit tests also
• If I've made UI changes, I've added appropriate Playwright and Jest tests
• If I've added/updated an end-point, I've added the appropriate annotations and tested the Swagger documentation reflects the change

[pata9]

Add logging to the try pattern

[azure-pipelines]

Azure Pipelines:
Successfully started running 1 pipeline(s).

[azure-pipelines]

Azure Pipelines:
Successfully started running 1 pipeline(s).

[sonarqubecloud]

Quality Gate failed

Failed conditions
B Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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