Use npm ci as safer install option for CI tests (#607)

* Use npm ci as safer install option for CI tests

* Add audit checking

* Change dashes

Author: drubin

.github/workflows/test.yml

@@ -21,7 +21,8 @@ jobs:
       # Pre-check to validate that versions match between package.json
       # and package-lock.json. Needs to run before npm install
       - run: node version-check.js
-      - run: npm install
+      - run: npm ci
       - run: npm test
       - run: npm run lint
+      - run: npm audit --audit-level=critical