Bump vaadin.version from 24.6.3 to 24.6.4 (#2260)

Bumps `vaadin.version` from 24.6.3 to 24.6.4.

Updates `com.vaadin:vaadin-bom` from 24.6.3 to 24.6.4

Updates `com.vaadin:vaadin-maven-plugin` from 24.6.3 to 24.6.4

---
updated-dependencies:
- dependency-name: com.vaadin:vaadin-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: com.vaadin:vaadin-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

hawkbit-simple-ui/pom.xml

@@ -25,7 +25,7 @@
     <name>hawkBit :: Simple UI</name>
 
     <properties>
-        <vaadin.version>24.6.3</vaadin.version>
+        <vaadin.version>24.6.4</vaadin.version>
     </properties>
 
     <repositories>