include redis access key alert

Author: backwind1233

articles/azure-cache-for-redis/cache-java-get-started.md

@@ -71,6 +71,8 @@ Clone the repo [Java quickstart](https://github.com/Azure-Samples/azure-cache-re
 
     ### [Access Key Authentication](#tab/accesskey)
 
+    [!INCLUDE [redis-access-key-alert](includes/redis-access-key-alert.md)]
+
     ```xml
     <dependency>
         <groupId>redis.clients</groupId>

articles/azure-cache-for-redis/cache-java-redisson-get-started.md

@@ -74,6 +74,8 @@ mvn archetype:generate \
 
 ### [Access Key Authentication](#tab/accesskey)
 
+[!INCLUDE [redis-access-key-alert](includes/redis-access-key-alert.md)]
+
 ```xml
 <dependency>
     <groupId>org.redisson</groupId>