Bump parent from 2.16.0 to 2.18.0

Bumps [parent](https://github.com/s4u/parent) from 2.16.0 to 2.18.0.
- [Release notes](https://github.com/s4u/parent/releases)
- [Commits](s4u/parent@v2.16.0...v2.18.0)

---
updated-dependencies:
- dependency-name: org.simplify4u:parent
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.simplify4u</groupId>
         <artifactId>parent</artifactId>
-        <version>2.16.0</version>
+        <version>2.18.0</version>
         <relativePath />
     </parent>