Use yarn instead of npm to install JS dependencies (#142)

## What is the goal of this PR?

We replaced `npm install` in our Bazel build system with `yarn` to align with our other NodeJS projects.

## What are the changes implemented in this PR?

Use yarn instead of npm to install JS dependencies

Author: alexjpwalker

WORKSPACE

@@ -117,13 +117,13 @@ workspace_refs(
 
 load("@vaticle_dependencies//builder/nodejs:deps.bzl", nodejs_deps = "deps")
 nodejs_deps(["@vaticle_dependencies//builder/nodejs:remove-node-patches.patch"])
-load("@build_bazel_rules_nodejs//:index.bzl", "node_repositories", "npm_install")
+load("@build_bazel_rules_nodejs//:index.bzl", "node_repositories", "yarn_install")
 
 node_repositories(
     preserve_symlinks = False,
 )
-npm_install(
+yarn_install(
   name = "npm",
   package_json = "//grpc/nodejs:package.json",
-  package_lock_json = "//grpc/nodejs:package-lock.json",
+  yarn_lock = "//grpc/nodejs:yarn.lock",
 )

grpc/nodejs/BUILD

@@ -85,7 +85,7 @@ checkstyle_test(
     include = glob(["*"]),
     exclude = [
         "package.json",
-        "package-lock.json",
+        "yarn.lock",
     ],
     license_type = "agpl",
     size = "small",