Add aws-sts dependency in java sdk

Signed-off-by: harmeet-singh-discovery <harmeet_singh@discovery.com>

Author: harmeet-singh-discovery

java/serving/pom.xml

@@ -243,6 +243,12 @@
       <version>1.12.261</version>
     </dependency>
 
+    <dependency>
+      <groupId>com.amazonaws</groupId>
+      <artifactId>aws-java-sdk-sts</artifactId>
+      <version>1.12.476</version>
+    </dependency>
+
     <dependency>
       <groupId>com.adobe.testing</groupId>
       <artifactId>s3mock-testcontainers</artifactId>