fix: pom.xml to reduce vulnerabilities

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

pom.xml

@@ -48,13 +48,13 @@
     <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</jmeter.version>
     <testcontainers.version>1.17.6</testcontainers.version>
     <wiremock.version>2.35.0</wiremock.version>
     <junit.version>5.9.1</junit.version>
     <junit-platform.version>1.9.1</junit-platform.version>
     <assertj-core.version>3.23.1</assertj-core.version>
-    <jackson.version>2.14.2</jackson.version>
+    <jackson.version>2.15.0</jackson.version>
     <selenium.version>4.18.0</selenium.version>
     <!-- same version as JMeter dependency -->
     <slf4j.version>1.7.36</slf4j.version>