fix: ignore codecov.io reporting failure

Ref: codecov/codecov-node#284
PR-URL: #96
Reviewed-BY: hyj1991 <yeekwanvong@gmail.com>

package.json

@@ -28,7 +28,8 @@
     "cov": "nyc --reporter=html --reporter=text --reporter=lcov mocha -R spec test/*.test.js test/patch/*.test.js --timeout 0",
     "cov-single": "nyc --reporter=html --reporter=text --reporter=lcov mocha --timeout 0 -R spec",
     "upload": "node scripts/upload.js",
-    "ci": "npm run lint && npm run build && npm run cov && codecov && npm run upload",
+    "codecov": "codecov || echo 'warning: ignoring codecov failure'",
+    "ci": "npm run lint && npm run build && npm run cov && npm run codecov && npm run upload",
     "dep": "npm run build && npm run cov",
     "release": "node scripts/release.js",
     "autod": "autod"
@@ -79,4 +80,4 @@
     "win32": "xprofiler-ctl"
   },
   "blurryTag": "__"
-}
+}