Bump com.vaadin from 24.3.0 to 24.4.1 in /complete

Bumps com.vaadin from 24.3.0 to 24.4.1.

---
updated-dependencies:
- dependency-name: com.vaadin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

complete/build.gradle

@@ -2,7 +2,7 @@ plugins {
  id 'java'
  id 'org.springframework.boot' version '3.3.0'
  id 'io.spring.dependency-management' version '1.1.5'
- id 'com.vaadin' version '24.3.0'
+ id 'com.vaadin' version '24.4.1'
 }
 
 group = 'com.example'