message: chore: add node templates to synth.py
diff: @@ -6,6 +6,7 @@ import subprocess
  logging.basicConfig(level=logging.DEBUG)
  gapic = gcp.GAPICGenerator()
  +common_templates = gcp.CommonTemplates()
  # tasks has two product names, and a poorly named artman yaml
  version = 'v1'
  @@ -17,6 +18,10 @@ s.copy(
  library,
  excludes=['package.json', 'README.md', 'src/index.js'])
  +templates = common_templates.node_library(package_name="@google-cloud/pubsub")
  +s.copy(templates)
  +
  +
  # https://github.com/googleapis/gapic-generator/issues/2127
  s.replace("src/v1/subscriber_client.js",
  " }\n\s*/\*\*\n\s+\* The DNS address for this API service.",
  