OZG-6354 fix property name

router/src/main/java/de/ozgcloud/eingang/router/GrpcClientsProperties.java

@@ -48,7 +48,7 @@ public class GrpcClientsProperties {
 	static class ClientProperty {
 		@NotEmpty
 		private String address;
-		private String negotationType = "TLS";
+		private String negotiationType = "TLS";
 	}
 
 }