fix(deps): update dependency @grpc/grpc-js to v1.6.7 (GoogleCloudPlatform#864)

Author: renovate-bot

src/currencyservice/package-lock.json

@@ -12,7 +12,7 @@
     "@google-cloud/debug-agent": "5.2.9",
     "@google-cloud/profiler": "4.2.0",
     "@google-cloud/trace-agent": "5.1.6",
-    "@grpc/grpc-js": "1.4.4",
+    "@grpc/grpc-js": "1.6.7",
     "@grpc/proto-loader": "0.6.13",
     "async": "3.2.4",
     "google-protobuf": "3.13.0",

src/currencyservice/package.json

@@ -14,7 +14,7 @@
     "@google-cloud/debug-agent": "5.2.9",
     "@google-cloud/profiler": "4.2.0",
     "@google-cloud/trace-agent": "5.1.6",
-    "@grpc/grpc-js": "1.4.4",
+    "@grpc/grpc-js": "1.6.7",
     "@grpc/proto-loader": "0.6.13",
     "pino": "5.17.0",
     "simple-card-validator": "^1.1.0",