Update WFLY version to 18 in patch creating Maven settings.
<!--Path to original (pristine) WFLY-->
<!--Running with -Pdownload-wfly will make Maven download the version specified below-->
<wildflyOriginal>${project.build.directory}/wildfly-original/wildfly-${wildfly.download.version}</wildflyOriginal>
- <wildfly.download.version>15.0.1.Final</wildfly.download.version>
+ <wildfly.download.version>18.0.1.Final</wildfly.download.version>
<cdi.tck.version>${cdi.tck-2-0.version}</cdi.tck.version>
<!--Plugin versions-->
