feat: label package as generally available

Release-As: 1.0.0

Author: tswast

.repo-metadata.json

@@ -2,7 +2,7 @@
     "name": "db-dtypes",
     "name_pretty": "Pandas Data Types for SQL systems (BigQuery, Spanner)",
     "client_documentation": "https://googleapis.dev/python/db-dtypes/latest/index.html",
-    "release_level": "preview",
+    "release_level": "ga",
     "language": "python",
     "library_type": "INTEGRATION",
     "repo": "googleapis/python-db-dtypes-pandas",

README.rst

@@ -1,14 +1,14 @@
 Pandas Data Types for SQL systems (BigQuery, Spanner)
 =====================================================
 
-|beta| |pypi| |versions|
+|ga| |pypi| |versions|
 
 `Pandas extension data types`_ for data from SQL systems such as `BigQuery`_.
 
 - `Library Documentation`_
 
-.. |beta| image:: https://img.shields.io/badge/support-beta-orange.svg
-   :target: https://github.com/googleapis/google-cloud-python/blob/main/README.rst#beta-support
+.. |ga| image:: https://img.shields.io/badge/support-GA-gold.svg
+   :target: https://github.com/googleapis/google-cloud-python/blob/main/README.rst#general-availability
 .. |pypi| image:: https://img.shields.io/pypi/v/db-dtypes.svg
    :target: https://pypi.org/project/db-dtypes/
 .. |versions| image:: https://img.shields.io/pypi/pyversions/db-dtypes.svg

setup.py

@@ -26,7 +26,7 @@
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'
 # 'Development Status :: 5 - Production/Stable'
-release_status = "Development Status :: 4 - Beta"
+release_status = "Development Status :: 5 - Production/Stable"
 
 dependencies = [
     "packaging >= 17.0",