Update pom.xml (#489)

mitigate
https://github.com/CycloneDX/specification/security/dependabot/1 //
GHSA-683x-4444-jxh8

Author: jkowalleck

tools/pom.xml

@@ -55,7 +55,7 @@
         <lib.commons.lang3.version>3.6</lib.commons.lang3.version>
         <lib.commons.text.version>1.12.0</lib.commons.text.version>
         <lib.unirest.version>1.4.9</lib.unirest.version>
-        <lib.cyclonedx.core.java.version>9.0.2</lib.cyclonedx.core.java.version>
+        <lib.cyclonedx.core.java.version>9.0.4</lib.cyclonedx.core.java.version>
     </properties>
 
     <scm>