Upgrade compatible node version to latest lts only

[mattdean-digicatapult]

Pull Request

Checklist

• Have you read Digital Catapult's Code of Conduct?
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

PR Type

Please delete options that are irrelevant.

• Bug Fix
• Chore
• Feature
• Documentation Update
• Code style update (formatting, local variables)
• Breaking Change (fix or feature that would cause existing functionality to change)

Linked tickets

https://digicatapult.atlassian.net/browse/SQNC-44

High level description

Upgrades supported node version to >=22 and supported npm to >=10

Detailed description

Whilst we were always running on latest lts we previously advertised support for node 18 or higher. We're restricting that now. Technically this is a major version bump as a previously version 18 system would now not be able to run this.

Describe alternatives you've considered

N/A

Operational impact

None

Additional context

N/A