#9 Implement Test Coverage Verification in CI/CD

Issue No:

closes GH-9

[ ] Architecture (ensure that the architecture lead is included in the reviewers
[ ] Bug
[ ] Chore
[ ] Clean-up
[x] DevOps (ensure that the devops lead is included in the reviewers)
[ ] Documentation
[ ] Feature Request (ensure that the team lead and architecture lead are included in reviewers if this involves any core functionality changes)

Updates CI/CD pipeline to check for unit test coverage when creating a PR to main

This has been tested in Draft mode and passed. It was also tested in PR #27, and PR failed as expected.

[x] This is not a code change, or my code follows the style guidelines of this project and I have run eslint
[x] I have performed a self-review of my own changes
[x] I have not added or modified any publicly available objects or methods or I have added appropriate jsdoc comments
[x] I did not make any abnormal changes or I have added comments describing "why" I did things differently than usual.
[x] This is a documentation update, or else I have made corresponding changes to the documentation
[x] My changes generate no new errors or warnings
[x] I have not added any code the requires unit test updates, or I have added unit tests that prove my fix is effective or that my feature works
[x] New and existing unit tests pass locally with my changes