fix(workflows): fix coverage reporting under mocha

Author: soup-in-boots

.github/workflows/build.yml

@@ -25,7 +25,7 @@ jobs:
             - name: Build
               run: npm run build --if-present
             - name: Test
-              run: npm test -- --silent --verbose
+              run: npx nyc --reporter=lcovonly --reporter=text npm test
             - name: Coveralls
               uses: coverallsapp/[email protected]
               with: