Bump org.mvnpm:lit-element from 4.0.2 to 4.0.4

Bumps [org.mvnpm:lit-element](https://github.com/lit/lit) from 4.0.2 to 4.0.4.
- [Release notes](https://github.com/lit/lit/releases)
- [Changelog](https://github.com/lit/lit/blob/main/CHANGELOG.md)
- [Commits](https://github.com/lit/lit/compare/[email protected]@4.0.4)

---
updated-dependencies:
- dependency-name: org.mvnpm:lit-element
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build-parent/pom.xml

@@ -178,7 +178,7 @@
         <!-- Dev UI -->
         <vaadin.version>24.3.0</vaadin.version>
         <lit.version>3.1.0</lit.version>
-        <lit-element.version>4.0.2</lit-element.version>
+        <lit-element.version>4.0.4</lit-element.version>
         <lit-html.version>3.1.0</lit-html.version>
         <ssr-dom-shim.version>1.1.2</ssr-dom-shim.version>
         <trusted-types.version>2.0.7</trusted-types.version>