Replace workflows with those from shared templates

[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-50

High level description

Changes test and release workflows to use shared workflows

Detailed description

Migrates the test and release workflows to use shared workflows.

Describe alternatives you've considered

None

Operational impact

Release workflow could fail but this won't affect deployments. Would update in a follow up PR

Additional context

N/A

[mattdean-digicatapult]

Not sure this will work. Might need to alter shared workflow to enable publishing to a github npm package