Update Java section with Cookbook link (#1023)

Author: brunoborges

README.md

@@ -20,7 +20,7 @@ The GitHub Copilot SDK exposes the same engine behind Copilot CLI: a production-
 | **Python**               | [`python/`](./python/)                                                  | [Cookbook](https://github.com/github/awesome-copilot/blob/main/cookbook/copilot-sdk/python/README.md) | `pip install github-copilot-sdk`                                                                                                                                                                                                           |
 | **Go**                   | [`go/`](./go/)                                                          | [Cookbook](https://github.com/github/awesome-copilot/blob/main/cookbook/copilot-sdk/go/README.md)     | `go get github.com/github/copilot-sdk/go`                                                                                                                                                                                                  |
 | **.NET**                 | [`dotnet/`](./dotnet/)                                                  | [Cookbook](https://github.com/github/awesome-copilot/blob/main/cookbook/copilot-sdk/dotnet/README.md) | `dotnet add package GitHub.Copilot.SDK`                                                                                                                                                                                                    |
-| **Java**                 | [`github/copilot-sdk-java`](https://github.com/github/copilot-sdk-java) | WIP                                                                                                   | Maven coordinates<br>`com.github:copilot-sdk-java`<br>See instructions for [Maven](https://github.com/github/copilot-sdk-java?tab=readme-ov-file#maven) and [Gradle](https://github.com/github/copilot-sdk-java?tab=readme-ov-file#gradle) |
+| **Java**                 | [`github/copilot-sdk-java`](https://github.com/github/copilot-sdk-java) | [Cookbook](https://github.com/github/awesome-copilot/blob/main/cookbook/copilot-sdk/java/README.md)                                                                                                   | Maven coordinates<br>`com.github:copilot-sdk-java`<br>See instructions for [Maven](https://github.com/github/copilot-sdk-java?tab=readme-ov-file#maven) and [Gradle](https://github.com/github/copilot-sdk-java?tab=readme-ov-file#gradle) |
 
 See the individual SDK READMEs for installation, usage examples, and API reference.