Bump org.mvnpm.at.mvnpm:vaadin-webcomponents from 24.7.6 to 24.7.7

Bumps [org.mvnpm.at.mvnpm:vaadin-webcomponents](https://github.com/vaadin/web-components) from 24.7.6 to 24.7.7.
- [Release notes](https://github.com/vaadin/web-components/releases)
- [Commits](vaadin/web-components@v24.7.6...v24.7.7)

---
updated-dependencies:
- dependency-name: org.mvnpm.at.mvnpm:vaadin-webcomponents
  dependency-version: 24.7.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

bom/dev-ui/pom.xml

@@ -13,7 +13,7 @@
     <description>Dependency management for dev-ui. Importable by third party extension developers.</description>
 
     <properties>
-        <vaadin.version>24.7.6</vaadin.version>
+        <vaadin.version>24.7.7</vaadin.version>
         <lit.version>3.2.1</lit.version>
         <lit-element.version>4.1.1</lit-element.version>
         <lit-html.version>3.2.1</lit-html.version>