mcp-client: fix typo in javadoc

Signed-off-by: Daniel Garnier-Moiroux <[email protected]>

Author: Kehrlann

mcp-client-security/src/main/java/org/springaicommunity/mcp/security/client/sync/AuthenticationMcpTransportContextProvider.java

@@ -67,7 +67,7 @@
  * reactor context:
  *
  * <pre>
- * chatClientSupplier.get()
+ * chatClient
  *     .prompt("your LLM prompt")
  *     .stream()
  *     .content()