Bump io.vertx:vertx-core in /apps/greeter/java/springboot

Bumps [io.vertx:vertx-core](https://github.com/eclipse/vert.x) from 3.6.2 to 4.5.24.
- [Commits](eclipse-vertx/vert.x@3.6.2...4.5.24)

---
updated-dependencies:
- dependency-name: io.vertx:vertx-core
  dependency-version: 4.5.24
  dependency-type: direct:production
...

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

Author: dependabot[bot]

apps/greeter/java/springboot/pom.xml

@@ -34,7 +34,7 @@
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-core</artifactId>
-      <version>3.6.2</version>
+      <version>4.5.24</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>