Add nyc plugin dependency to packages

packages/encoding/package.json

@@ -44,6 +44,7 @@
     "readonly-date": "^1.0.0"
   },
   "devDependencies": {
+    "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@types/base64-js": "^1.2.5",
     "@types/jasmine": "^3.6.10",
     "@types/node": "^15.0.1",
@@ -56,6 +57,7 @@
     "prettier": "^2.0.5",
     "ses": "^0.11.0",
     "source-map-support": "^0.5.19",
+    "ts-node": "^8",
     "typedoc": "^0.20",
     "typescript": "~4.0",
     "webpack": "^5.32.0"