ci: fix coverage reporting

Author: rolandjitsu

.github/workflows/test.yml

@@ -29,7 +29,7 @@ jobs:
         run: npm ci
 
       - name: Run tests
-        run: npm test
+        run: npm run test:cov
 
       - name: Collect coverage
         uses: coverallsapp/github-action@v2

.gitignore

@@ -12,6 +12,7 @@ lib-cov
 
 # Coverage directory used by tools like istanbul
 coverage
+.nyc_output
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt