updated docs to preview 2

Author: Erwinvandervalk

src/content/docs/bff/getting-started/index.mdx

@@ -6,7 +6,7 @@ sidebar:
   label: Overview
 ---
 
-Currently, the most recent version is 4 (preview 1). If you're upgrading from a previous version, please check our [upgrade guides](/bff/upgrading). 
+Currently, the most recent version is 4 (preview 2). If you're upgrading from a previous version, please check our [upgrade guides](/bff/upgrading). 
 
 If you're starting a new BFF project, consider the following startup guides:
 

src/content/docs/bff/index.mdx

@@ -43,7 +43,7 @@ The source code for the BFF framework can be found on GitHub. Builds are distrib
 
 ## Getting Started
 
-Currently, the most recent version is 4 (preview 1). If you're upgrading from a previous version, please check our [upgrade guides](/bff/upgrading). 
+Currently, the most recent version is 4 (preview 2). If you're upgrading from a previous version, please check our [upgrade guides](/bff/upgrading). 
 
 If you're starting a new BFF project, consider the following startup guides:
 * [Single frontend BFF](/bff/getting-started/single-frontend)

src/content/docs/bff/upgrading/bff-v3-to-v4.md

@@ -16,7 +16,7 @@ Duende BFF Security Framework v4.0 is a significant release that includes:
 The extensibility approach has been drastically changed, and many `virtual` methods containing implementation logic are now internal instead.
 
 :::caution[Duende BFF Security Framework v4 is still in preview]
-The Duende BFF Security Framework v4 is still in preview (currently [preview 1](https://github.com/DuendeSoftware/products/releases/edit/bff-4.0.0-Preview1)).
+The Duende BFF Security Framework v4 is still in preview (currently [preview 2](https://github.com/DuendeSoftware/products/releases/tag/bff-4.0.0-preview2)).
 This version (and associated documentation) is still evolving.
 :::