chore(deps): update dependency @simpl/brand to v3

Author: renovate[bot]

package.json

@@ -179,7 +179,7 @@
     "typescript-eslint": "8.53.0"
   },
   "optionalDependencies": {
-    "@simpl/brand": "2.3.0",
+    "@simpl/brand": "3.0.0",
     "@simpl/docs-composer": "11.16.7",
     "@simpl/element-icons": "1.34.0"
   },