fix: samples/client/petstore/java/microprofile-rest-client/pom.xml to…

… reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONCORE-6056407

samples/client/petstore/java/microprofile-rest-client/pom.xml

@@ -4,7 +4,7 @@
   <artifactId>microprofile-rest-client</artifactId>
   <packaging>jar</packaging>
   <name>microprofile-rest-client</name>
-  <description>This is a sample server Petstore server. For this sample, you can use the api key &#x60;special-key&#x60; to test the authorization filters.</description>
+  <description>This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.</description>
   <version>1.0.0</version>
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
@@ -144,7 +144,7 @@
     <logback-version>1.2.0</logback-version>
     <servlet-api-version>2.5</servlet-api-version>
     <cxf-version>3.2.7</cxf-version>
-    <jackson-jaxrs-version>2.9.7</jackson-jaxrs-version>
+    <jackson-jaxrs-version>2.9.10</jackson-jaxrs-version>
     <javax-annotation-version>1.3.2</javax-annotation-version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>