Feature/build testing

[rg936672]

PR Type

• Build related changes
• CI related changes
• Documentation content changes

Description

Closes #468. The workflow and updated CONTRIBUTING wording are copied with very minor edits from Coreax.

Note that this PR is dependent on/closes #481, as it contains commits from that PR - this was done intentionally to avoid merge conflicts in CONTRIBUTING.md

How Has This Been Tested?

The workflow actually hasn't been tested here, but has been copied (with very minor edits) from Coreax - see gchq/coreax#858.

Does this PR introduce a breaking change?

No

Screenshots

N/A

Checklist before requesting a review

• I have made sure that my PR is not a duplicate.
• My code follows the style guidelines of this project.
• I have commented my code, particularly in hard-to-understand areas.
• I have performed a self-review of my code.
• 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.
• Any dependent changes have been merged and published in downstream modules.

The merge-base changed after approval.

[qh681248]

Happy with the changes

The merge-base changed after approval.

The merge-base changed after approval.

[qh681248]

Happy with all the changes

The merge-base changed after approval.