Bump org.joinfaces:joinfaces-bom from 5.2.8 to 5.2.9

Bumps [org.joinfaces:joinfaces-bom](https://github.com/joinfaces/joinfaces) from 5.2.8 to 5.2.9.
- [Release notes](https://github.com/joinfaces/joinfaces/releases)
- [Commits](joinfaces/joinfaces@5.2.8...5.2.9)

---
updated-dependencies:
- dependency-name: org.joinfaces:joinfaces-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -21,7 +21,7 @@
     <properties>
         <!-- compile library versions -->
         <jakarta.validation-api.version>3.0.2</jakarta.validation-api.version>
-        <joinfaces.version>5.2.8</joinfaces.version>
+        <joinfaces.version>5.2.9</joinfaces.version>
         <maven-model.version>3.9.9</maven-model.version>
 
         <!-- test library versions -->