feat: promote to GA (#54)

Release-As:1.0.0

Author: Neenu1995

.repo-metadata.json

@@ -4,7 +4,7 @@
  "product_documentation": "https://cloud.google.com/dataplex",
  "api_description": "provides intelligent data fabric that enables organizations to centrally manage, monitor, and govern their data across data lakes, data warehouses, and data marts with consistent controls, providing access to trusted data and powering analytics at scale.",
  "client_documentation": "https://googleapis.dev/java/google-cloud-dataplex/latest/index.html",
- "release_level": "preview",
+ "release_level": "stable",
  "transport": "grpc",
  "language": "java",
  "repo": "googleapis/java-dataplex",
@@ -13,4 +13,4 @@
  "api_id": "dataplex.googleapis.com",
  "library_type": "GAPIC_AUTO",
  "requires_billing": true
-}
+}

README.md

@@ -8,9 +8,6 @@ Java idiomatic client for [Cloud Dataplex][product-docs].
 - [Product Documentation][product-docs]
 - [Client Library Documentation][javadocs]
 
-> Note: This client is a work-in-progress, and may occasionally
-> make backwards-incompatible changes.
-
 
 ## Quickstart
 
@@ -132,9 +129,6 @@ and on [google-cloud-java][g-c-j].
 This library follows [Semantic Versioning](http://semver.org/).
 
 
-It is currently in major version zero (``0.y.z``), which means that anything may change at any time
-and the public API should not be considered stable.
-
 
 ## Contributing
 
@@ -175,7 +169,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-4]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-dataplex/java8-win.html
 [kokoro-badge-image-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-dataplex/java11.svg
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-dataplex/java11.html
-[stability-image]: https://img.shields.io/badge/stability-preview-yellow
+[stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-dataplex.svg
 [maven-version-link]: https://search.maven.org/search?q=g:com.google.cloud%20AND%20a:google-cloud-dataplex&core=gav
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication