Update snapshot and/or references of policy/apex-pdp to latest snapshots

policy/apex-pdp updated to its latest own and reference snapshots

*** This commit is generated by a PF release script ***

Issue-ID: POLICY-4484
Signed-off-by: liamfallon <liam.fallon@est.tech>
Change-Id: Ia964f8a4e9fceb9f38f4b560b641af10cda312da
diff --git a/examples/pom.xml b/examples/pom.xml
index 1b10492..69d748b 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.onap.policy.apex-pdp</groupId>
         <artifactId>apex-pdp</artifactId>
-        <version>2.9.0-SNAPSHOT</version>
+        <version>2.9.1-SNAPSHOT</version>
     </parent>
 
     <groupId>org.onap.policy.apex-pdp.examples</groupId>