feat: promote to stable (#13)

See #6

Author: chingor13

.repo-metadata.json

@@ -4,12 +4,12 @@
   "product_documentation": "https://cloud.google.com/eventarc",
   "client_documentation": "https://googleapis.dev/nodejs/publishing/latest/",
   "issue_tracker": "https://issuetracker.google.com/savedsearches/5972217",
-  "release_level": "beta",
+  "release_level": "stable",
   "language": "nodejs",
   "repo": "googleapis/nodejs-eventarc-publishing",
   "distribution_name": "@google-cloud/eventarc-publishing",
   "api_id": "publishing.googleapis.com",
   "default_version": "v1",
-  "requires_billing": true
+  "requires_billing": true,
+  "library_type": "GAPIC_AUTO"
 }
-

README.md

@@ -4,7 +4,7 @@
 
 # [Eventarc Publishing API: Node.js Client](https://github.com/googleapis/nodejs-eventarc-publishing)
 
-[![release level](https://img.shields.io/badge/release%20level-beta-yellow.svg?style=flat)](https://cloud.google.com/terms/launch-stages)
+[![release level](https://img.shields.io/badge/release%20level-stable-brightgreen.svg?style=flat)](https://cloud.google.com/terms/launch-stages)
 [![npm version](https://img.shields.io/npm/v/@google-cloud/eventarc-publishing.svg)](https://www.npmjs.org/package/@google-cloud/eventarc-publishing)
 
 
@@ -87,11 +87,11 @@ This library follows [Semantic Versioning](http://semver.org/).
 
 
 
+This library is considered to be **stable**. The code surface will not change in backwards-incompatible ways
+unless absolutely necessary (e.g. because of critical security issues) or with
+an extensive deprecation period. Issues and requests against **stable** libraries
+are addressed with the highest priority.
 
-This library is considered to be in **beta**. This means it is expected to be
-mostly stable while we work toward a general availability release; however,
-complete stability is not guaranteed. We will address issues and requests
-against beta libraries with a high priority.