Bump org.springframework.modulith:spring-modulith-bom

Bumps [org.springframework.modulith:spring-modulith-bom](https://github.com/spring-projects/spring-modulith) from 1.1.6 to 1.2.4.
- [Release notes](https://github.com/spring-projects/spring-modulith/releases)
- [Commits](https://github.com/spring-projects/spring-modulith/compare/1.1.6...1.2.4)

---
updated-dependencies:
- dependency-name: org.springframework.modulith:spring-modulith-bom
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -14,7 +14,7 @@
         <vaadin.version>24.4.0.beta4</vaadin.version>
         <spring-cloud.version>2023.0.1</spring-cloud.version>
         <spring-cloud-gcp.version>5.4.1</spring-cloud-gcp.version>
-        <spring-modulith.version>1.1.6</spring-modulith.version>
+        <spring-modulith.version>1.2.4</spring-modulith.version>
     </properties>
 
     <parent>