fix: pom.xml & mockserver-examples/pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONCORE-7569538

mockserver-examples/pom.xml

@@ -17,7 +17,7 @@
 
     <properties>
         <!-- highest jersey version is 3.0 due to Java 1.8 version -->
-        <jersey.version>3.0.8</jersey.version>
+        <jersey.version>3.0.12</jersey.version>
         <!-- highest jetty version is 9.4 due to Java 1.8 version -->
         <jetty.version>9.4.50.v20221201</jetty.version>
         <google-http-client.version>1.42.3</google-http-client.version>
@@ -293,7 +293,7 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-webflux</artifactId>
             <!-- highest spring-boot-starter-webflux version is 2.x due to Java 1.8 version -->
-            <version>2.7.8</version>
+            <version>3.1.0</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.osgi</groupId>

pom.xml

@@ -55,7 +55,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF8</project.build.sourceEncoding>
         <slf4j.version>2.0.6</slf4j.version>
-        <jackson.version>2.14.2</jackson.version>
+        <jackson.version>2.15.0</jackson.version>
         <velocity.version>2.3</velocity.version>
         <netty.version>4.1.89.Final</netty.version>
         <httpcomponents.version>4.4.1</httpcomponents.version>