chore(deps): pin dependencies

Author: renovate-bot

sample/01-cats-app/package-lock.json

@@ -19,31 +19,31 @@
     "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
-    "@nestjs/common": "^6.8.0",
-    "@nestjs/core": "^6.8.0",
-    "@nestjs/platform-express": "^6.8.0",
-    "reflect-metadata": "^0.1.13",
+    "@nestjs/common": "6.8.3",
+    "@nestjs/core": "6.8.3",
+    "@nestjs/platform-express": "6.8.3",
+    "reflect-metadata": "0.1.13",
     "class-transformer": "0.2.3",
     "class-validator": "0.10.1",
-    "rimraf": "^3.0.0",
-    "rxjs": "^6.5.3"
+    "rimraf": "2.7.1",
+    "rxjs": "6.5.3"
   },
   "devDependencies": {
-    "@nestjs/cli": "^6.10.1",
-    "@nestjs/schematics": "^6.7.0",
-    "@nestjs/testing": "^6.8.0",
-    "@types/express": "^4.17.1",
-    "@types/node": "^12.7.8",
-    "@types/supertest": "^2.0.8",
-    "jest": "^24.9.0",
-    "prettier": "^1.18.2",
-    "supertest": "^4.0.2",
-    "ts-jest": "^24.1.0",
-    "ts-loader": "^6.2.0",
-    "ts-node": "^8.4.1",
-    "tsconfig-paths": "^3.9.0",
-    "tslint": "^5.20.0",
-    "typescript": "^3.6.3"
+    "@nestjs/cli": "6.10.1",
+    "@nestjs/schematics": "6.7.0",
+    "@nestjs/testing": "6.8.3",
+    "@types/express": "4.17.1",
+    "@types/node": "10.14.21",
+    "@types/supertest": "2.0.8",
+    "jest": "24.9.0",
+    "prettier": "1.18.2",
+    "supertest": "4.0.2",
+    "ts-jest": "24.1.0",
+    "ts-loader": "6.2.0",
+    "ts-node": "8.4.1",
+    "tsconfig-paths": "3.9.0",
+    "tslint": "5.20.0",
+    "typescript": "3.6.4"
   },
   "jest": {
     "moduleFileExtensions": [