Update .NET SDK to published beta.3

sdks.mdx

@@ -1,10 +1,10 @@
 ---
 title: "SDKs"
 description: "Typed JavaScript, Python, Go, .NET and Rust clients for the Heyrafiki API."
 keywords: ["Heyrafiki SDK", "healthcare API clients", "insurance API", "Heyrafiki CLI"]
 ---
 
 Every SDK follows the same OpenAPI definition, authentication rules, idempotency
 requirements, error envelope and request identifiers.
 
 <Note>
@@ -109,7 +109,7 @@
   <Tab title=".NET">
 
 ```bash
-dotnet add package heyrafiki --version 0.1.0-beta.1
+dotnet add package heyrafiki --version 0.1.0-beta.3
 ```
 
   </Tab>
@@ -126,7 +126,7 @@
 [npm](https://www.npmjs.com/package/@heyrafiki/rafiki-js),
 [PyPI](https://pypi.org/project/heyrafiki/0.1.0b2/),
 [pkg.go.dev](https://pkg.go.dev/github.com/heyrafiki/rafiki-go),
-[NuGet](https://www.nuget.org/packages/heyrafiki/0.1.0-beta.1) and
+[NuGet](https://www.nuget.org/packages/heyrafiki/0.1.0-beta.3) and
 [crates.io](https://crates.io/crates/heyrafiki/0.1.0-beta.2).
 
 ## Make the first request
@@ -191,9 +191,9 @@
 
 ## Write safely
 
 All clients preserve the REST API's write controls:
 
 - caller-owned idempotency keys for replay-safe writes;
 - bounded retries only where the operation and key make retry safe;
 - typed errors with HTTP status, stable error code and request identifier;
 - integer minor units for money;