Update typescript dependencies and the mocharc file

TypeScript/package.json

@@ -14,13 +14,13 @@
     "@types/chai": "~3.5.2",
     "@types/mocha": "~2.2.41",
     "@types/node": "~7.0.18",
-    "chai": "~3.5.0",
-    "mocha": "~3.2.0",
-    "nyc": "~11.0.3",
-    "rimraf": "~2.5.2",
-    "source-map-support": "0.5.9",
-    "ts-node": "~3.1.0",
-    "typescript": "~3.0.3"
+    "chai": "~4.2.0",
+    "mocha": "~8.2.1",
+    "nyc": "~15.1.0",
+    "rimraf": "~3.0.2",
+    "source-map-support": "0.5.19",
+    "ts-node": "~9.1.1",
+    "typescript": "~4.1.3"
   },
   "nyc": {
     "extension": [
@@ -39,4 +39,3 @@
     ]
   }
 }
-