Bump vertxVersion from 4.0.0 to 4.0.2

Bumps `vertxVersion` from 4.0.0 to 4.0.2.

Updates `vertx-core` from 4.0.0 to 4.0.2
- [Release notes](https://github.com/eclipse/vert.x/releases)
- [Commits](eclipse-vertx/vert.x@4.0.0...4.0.2)

Updates `vertx-web` from 4.0.0 to 4.0.2

Updates `vertx-auth-jwt` from 4.0.0 to 4.0.2

Updates `vertx-codegen` from 4.0.0 to 4.0.2

Updates `vertx-service-proxy` from 4.0.0 to 4.0.2

Updates `vertx-unit` from 4.0.0 to 4.0.2

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

api/build.gradle

@@ -40,7 +40,7 @@ assemble.dependsOn(install)
 apply plugin: 'eclipse'
 
 ext {
-  vertxVersion = '4.0.0'
+  vertxVersion = '4.0.2'
 }
 
 dependencies {