fix: samples/server/petstore/jaxrs-cxf/pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-ORGAPACHECXF-10755067

Author: snyk-bot

samples/server/petstore/jaxrs-cxf/pom.xml

@@ -4,7 +4,7 @@
   <artifactId>openapi-cxf-server</artifactId>
   <packaging>war</packaging>
   <name>openapi-cxf-server</name>
-  <description>This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \&quot; \\</description>
+  <description>This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\</description>
   <version>1.0.0</version>
 
 
@@ -228,7 +228,7 @@ for this project used jakarta.validation-api -->
     <junit-version>4.13.2</junit-version>
     <logback-version>1.5.13</logback-version>
     <beanvalidation-version>2.0.2</beanvalidation-version>
-    <cxf-version>3.5.9</cxf-version>
+    <cxf-version>3.5.11</cxf-version>
     <jackson-jaxrs-version>2.17.1</jackson-jaxrs-version>
     <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>