fix(GAT-9999): Preempts rework of VALUES function in mysql before rem…

[loki-sinclair-hdruk]

…oval

Screenshots (if relevant)

Describe your changes

Turns on back-compat alias for guarding against VALUES() deprecation, so we don't have to think about it.

Issue ticket link

Environment / Configuration changes (if applicable)

Yes - but defaulted to true already.

Requires migrations being run?

No

If not using the pre-push hook. Confirm tests pass:

Checklist before requesting a review

• I have performed a self-review of my code
• I have added appropriate unit tests
• I have created mocks for unit tests (where appropriate)
• I have added appropriate Behat tests to confirm AC (if applicable)
• I have added Swagger annotations for new endpoints (if applicable)
• I have added audit logs for new operation logic (if applicable)
• I have added new environment variables to the .env.example file (if applicable)
• I have added new environment variables to terraform repository (if applicable)

[gh-actions-pipelines-app]

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