fix: jmeter-java-dsl/pom.xml & pom.xml to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JAVA-COMMONSIO-8161190

Author: snyk-bot

jmeter-java-dsl/pom.xml

@@ -89,7 +89,7 @@
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
       <!-- Same version as JMeter dependency -->
-      <version>2.11.0</version>
+      <version>2.14.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>

pom.xml

@@ -48,7 +48,7 @@
     <project.build.outputTimestamp>1718396590</project.build.outputTimestamp>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
-    <jmeter.version>5.5</jmeter.version>
+    <jmeter.version>5.6.3</jmeter.version>
     <testcontainers.version>1.17.6</testcontainers.version>
     <wiremock.version>2.35.0</wiremock.version>
     <junit.version>5.9.1</junit.version>