uplift oparent version 1.2.1->1.2.3

Find one non-backward compatible change:
spring-web 5.0.9.RELEASE -> 5.1.2.RELEASE
String org.springframework.http.HttpStatus.toString()
return Integer.toString(this.value)//spring-web 5.0.9.RELEASE
return Integer.toString(this.value) + " " + name();//spring-web
5.1.2.RELEASE

Issue-ID: POLICY-1261
Change-Id: I23f7fe8dbd2d8b241c86ce910898a8df3641dbe5
Signed-off-by: Hengye <yehui.wang@est.tech>
diff --git a/pom.xml b/pom.xml
index dbf8f66..0bebae8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onap.oparent</groupId>
         <artifactId>oparent</artifactId>
-        <version>1.2.1</version>
+        <version>1.2.3</version>
         <relativePath /> 
     </parent>
     <groupId>org.onap.policy.parent</groupId>
@@ -31,7 +31,7 @@
     <packaging>pom</packaging>
 
     <properties>
-        <oparent.version>1.2.1</oparent.version>
+        <oparent.version>1.2.3</oparent.version>
     </properties>
 
     <modules>