Updating all Apex dependencies

Issue-ID: POLICY-2387
Change-Id: I6d9222cfe8841a4a4532d95dbc6f8b3f3d15ac87
Signed-off-by: RossC <ross.carter@est.tech>
diff --git a/auth/cli-codegen/pom.xml b/auth/cli-codegen/pom.xml
index dcf24bb..f146240 100644
--- a/auth/cli-codegen/pom.xml
+++ b/auth/cli-codegen/pom.xml
@@ -35,7 +35,7 @@
         <dependency>
             <groupId>org.antlr</groupId>
             <artifactId>ST4</artifactId>
-            <version>4.0.8</version>
+            <version>4.3</version>
         </dependency>
         <dependency>
             <groupId>org.onap.policy.apex-pdp.model</groupId>