chore: Update README's .NET naming.

PiperOrigin-RevId: 833633456

Author: jscud

Google.GenAI/README.md

@@ -1,5 +1,5 @@
-Google Gen AI .Net SDK provides an interface for developers to integrate
-Google's generative models into their .Net applications. It supports the
+Google Gen AI .NET SDK provides an interface for developers to integrate
+Google's generative models into their .NET applications. It supports the
 [Gemini Developer API](https://ai.google.dev/gemini-api/docs) and
 [Vertex AI](https://cloud.google.com/vertex-ai/generative-ai/docs/learn/overview)
 APIs.
@@ -400,4 +400,4 @@ public class SegmentImageSimple {
     var mask = segmentImageResponse.GeneratedMasks.First().Mask;
   }
 }
-```
+```

README.md

@@ -1,5 +1,5 @@
-Google Gen AI .Net SDK provides an interface for developers to integrate
-Google's generative models into their .Net applications. It supports the
+Google Gen AI .NET SDK provides an interface for developers to integrate
+Google's generative models into their .NET applications. It supports the
 [Gemini Developer API](https://ai.google.dev/gemini-api/docs) and
 [Vertex AI](https://cloud.google.com/vertex-ai/generative-ai/docs/learn/overview)
 APIs.
@@ -400,4 +400,4 @@ public class SegmentImageSimple {
     var mask = segmentImageResponse.GeneratedMasks.First().Mask;
   }
 }
-```
+```