fix(deps): pin dependencies

Author: renovate-bot

sample/19-auth-jwt/package.json

@@ -20,35 +20,35 @@
     "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
-    "@nestjs/common": "^6.0.0",
-    "@nestjs/core": "^6.0.0",
-    "@nestjs/jwt": "^6.1.1",
-    "@nestjs/passport": "^6.1.0",
-    "@nestjs/platform-express": "^6.0.0",
-    "passport": "^0.4.0",
-    "passport-jwt": "^4.0.0",
-    "passport-local": "^1.0.0",
-    "reflect-metadata": "^0.1.12",
-    "rimraf": "^2.6.2",
-    "rxjs": "^6.3.3"
+    "@nestjs/common": "6.5.2",
+    "@nestjs/core": "6.5.2",
+    "@nestjs/jwt": "6.1.1",
+    "@nestjs/passport": "6.1.0",
+    "@nestjs/platform-express": "6.5.2",
+    "passport": "0.4.0",
+    "passport-jwt": "4.0.0",
+    "passport-local": "1.0.0",
+    "reflect-metadata": "0.1.13",
+    "rimraf": "2.6.3",
+    "rxjs": "6.5.2"
   },
   "devDependencies": {
-    "@nestjs/testing": "^6.0.0",
-    "@types/express": "^4.16.0",
-    "@types/jest": "^23.3.13",
-    "@types/node": "^10.12.18",
-    "@types/supertest": "^2.0.7",
-    "concurrently": "^4.1.0",
-    "jest": "^23.6.0",
-    "nodemon": "^1.18.9",
-    "prettier": "^1.15.3",
-    "supertest": "^3.4.1",
+    "@nestjs/testing": "6.5.2",
+    "@types/express": "4.17.0",
+    "@types/jest": "23.3.14",
+    "@types/node": "10.14.12",
+    "@types/supertest": "2.0.8",
+    "concurrently": "4.1.1",
+    "jest": "23.6.0",
+    "nodemon": "1.19.1",
+    "prettier": "1.18.2",
+    "supertest": "3.4.2",
     "ts-jest": "24.0.2",
     "ts-node": "8.1.0",
     "tsconfig-paths": "3.8.0",
     "tslint": "5.16.0",
     "typescript": "3.4.3",
-    "wait-on": "^3.2.0"
+    "wait-on": "3.3.0"
   },
   "jest": {
     "moduleFileExtensions": [