update pom, add jreleaser version

Author: assadriaz

gbfs-validator-java/pom.xml

@@ -76,6 +76,7 @@
         <dependency-check-maven.version>5.3.2</dependency-check-maven.version>
         <maven-scm-provider-gitexe.version>1.13.0</maven-scm-provider-gitexe.version>
         <maven-scm-api.version>1.13.0</maven-scm-api.version>
+        <jreleaser-maven-plugin.version>1.18.0</jreleaser-maven-plugin.version>
         <!-- empty argLine property, the value is set up by Jacoco during unit tests execution -->
         <argLine />