Use released oparent, upgrade mockserver dep

Issue-ID: POLICY-4070
Change-Id: I7639b879745b2f8f013e47b13921938b0194c3a1
Signed-off-by: liamfallon <liam.fallon@est.tech>
diff --git a/integration/pom.xml b/integration/pom.xml
index cd3df99..a427bf8 100644
--- a/integration/pom.xml
+++ b/integration/pom.xml
@@ -57,7 +57,7 @@
         <version.eelf.core>1.0.0</version.eelf.core>
         <version.camel>3.7.3</version.camel>
         <version.tomcat>9.0.62</version.tomcat>
-        <version.mockserver>5.11.2</version.mockserver>
+        <version.mockserver>5.13.2</version.mockserver>
         <version.immutable>2.8.8</version.immutable>
         <version.springfox>3.0.0</version.springfox>
         <version.jakarta-api>2.0.2</version.jakarta-api>