docs: drop stale pre-release status note from README

The provider has been published to the Terraform Registry at platform9/pcd
since v0.1.0, so the "pre-release, not yet published" blockquote is wrong.

Changelog entry filed under 0.1.3.

Author: PF9-pushkar

CHANGELOG.md

@@ -6,6 +6,14 @@ All notable changes to this project are documented here. The format is based on
 
 ## [Unreleased]
 
+## [0.1.3] - 2026-08-14
+
+### Changed
+- Drop the stale "pre-release, not yet published to the Terraform Registry" status note from
+  the README — the provider has been published at
+  [`platform9/pcd`](https://registry.terraform.io/providers/platform9/pcd) since v0.1.0.
+  Docs-only; no provider behavior change.
+
 ## [0.1.2] - 2026-08-11
 
 ### Changed

README.md

@@ -9,9 +9,6 @@ uniquely, the PCD-native infrastructure the standard OpenStack provider cannot m
 cluster blueprints and host configuration/roles via the Platform9 `resmgr` API** (see
 [PCD-native resources](#pcd-native-resources)).
 
-> **Status: pre-release, under active development.** Not yet published to the Terraform
-> Registry.
-
 ## PCD-native resources
 
 These are the value-add over [`terraform-provider-openstack`](https://github.com/terraform-provider-openstack/terraform-provider-openstack):