Align types with package versions, update typescript to latest

Author: mgilbey

package.json

@@ -26,8 +26,8 @@
   "devDependencies": {
     "@types/chai": "3.4.35",
     "@types/kafka-node": "2.0.7",
-    "@types/mocha": "2.2.40",
-    "@types/node": "^13.13.5",
+    "@types/mocha": "^7.0.2",
+    "@types/node": "^12.12.42",
     "@types/request": "2.48.0",
     "chai": "^3.5.0",
     "grpc-tools": "^1.8.1",
@@ -37,6 +37,6 @@
     "semver": "^5.5.0",
     "ts-node": "^7.0.0",
     "tslint": "^5.0.0",
-    "typescript": "^3.8.3"
+    "typescript": "^3.9.3"
   }
 }