upgrade GRPC to 1.16.0 in testing

Author: squirly

packages/testing/package.json

@@ -19,7 +19,7 @@
     "@firebase/logger": "0.1.1",
     "@firebase/util": "0.2.2",
     "@types/request": "2.47.1",
-    "grpc": "1.13.1",
+    "grpc": "1.16.0",
     "request": "2.88.0"
   },
   "devDependencies": {

yarn.lock

@@ -6060,16 +6060,6 @@ [email protected]:
   resolved "https://registry.npmjs.org/growl/-/growl-1.10.3.tgz#1926ba90cf3edfe2adb4927f5880bc22c66c790f"
   integrity sha512-hKlsbA5Vu3xsh1Cg3J7jSmX/WaW6A5oBeqzM88oNbCRQFz+zUaXm6yxS4RVytp1scBoJzSYl4YAEOQIt6O8V1Q==
 
-[email protected]:
-  version "1.13.1"
-  resolved "https://registry.npmjs.org/grpc/-/grpc-1.13.1.tgz#9b5c49d4e56309b6e3bd631f8948b7b298d88790"
-  integrity sha512-yl0xChnlUISTefOPU2NQ1cYPh5m/DTatEUV6jdRyQPE9NCrtPq7Gn6J2alMTglN7ufYbJapOd00dvhGurHH6HQ==
-  dependencies:
-    lodash "^4.17.5"
-    nan "^2.0.0"
-    node-pre-gyp "^0.10.0"
-    protobufjs "^5.0.3"
-
 [email protected]:
   version "1.16.0"
   resolved "https://registry.npmjs.org/grpc/-/grpc-1.16.0.tgz#cdf56d6ede2f1b6ab5224ad467cb22e1b3ec36fc"