chore: replace nyc with c8

Author: dukeluo

.github/workflows/test.yml

@@ -17,3 +17,5 @@ jobs:
       - run: npm run test:report
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v3
+        with:
+          directory: coverage

.gitignore

@@ -2,6 +2,5 @@
 node_modules
 .idea
 .vscode
-.nyc_output
-*.lcov
 dist
+coverage