chore(deps-dev): Bump happy-dom from 18.0.1 to 20.0.0 (#53)

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

Author: dependabot[bot]

packages/vue-split-panel/package.json

@@ -59,7 +59,7 @@
 		"@vue/test-utils": "2.4.6",
 		"bumpp": "10.2.3",
 		"eslint": "9.33.0",
-		"happy-dom": "18.0.1",
+		"happy-dom": "20.0.0",
 		"tsdown": "0.14.1",
 		"typescript": "5.9.2",
 		"vite": "npm:rolldown-vite@latest",