Bump policy-apex-pdp to 2.3.1-SNAPSHOT

Change-Id: I59b93fccb0f3a41f8db753d1e8e2978bbb51e9a0
Issue-ID: POLICY-2378
Signed-off-by: a.sreekumar <ajith.sreekumar@est.tech>
diff --git a/model/context-model/pom.xml b/model/context-model/pom.xml
index a0b1909..ba7a558 100644
--- a/model/context-model/pom.xml
+++ b/model/context-model/pom.xml
@@ -5,15 +5,15 @@
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
-  
+
        http://www.apache.org/licenses/LICENSE-2.0
-  
+
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-  
+
   SPDX-License-Identifier: Apache-2.0
   ============LICENSE_END=========================================================
 -->
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onap.policy.apex-pdp.model</groupId>
         <artifactId>model</artifactId>
-        <version>2.3.0-SNAPSHOT</version>
+        <version>2.3.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>context-model</artifactId>
@@ -79,4 +79,4 @@
             </distributionManagement>
         </profile>
     </profiles>
-</project>
\ No newline at end of file
+</project>