lock grpc to 1.10.1 (#3946)

Signed-off-by: Matthew B White <[email protected]>

Author: mbwhite

packages/composer-connector-hlfv1/package.json

@@ -70,6 +70,7 @@
     "fabric-ca-client": "1.1.0",
     "fabric-client": "1.1.0",
     "fs-extra": "1.0.0",
+    "grpc": "1.10.1",
     "jsrsasign": "8.0.3",
     "lodash": "4.17.4",
     "semver": "5.3.0",