chore(deps): update dependency happy-dom to v19 (#165)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -63,7 +63,7 @@
 		"eslint-plugin-svelte": "^3.11.0",
 		"eslint-plugin-unicorn": "^61.0.2",
 		"globals": "^16.3.0",
-		"happy-dom": "^18.0.1",
+		"happy-dom": "^19.0.2",
 		"prettier": "^3.6.2",
 		"prettier-plugin-jsdoc": "^1.3.3",
 		"prettier-plugin-svelte": "^3.4.0",