Added rollup dependency explicitly for both architectures.

This is needed, because the arm64 build started to fail without this
explicit declaration.

Author: awinterstein

website/client/package.json

@@ -50,6 +50,10 @@
     "vuedraggable": "^2.24.3",
     "vuejs-datepicker": "https://github.com/habitrpg/vuejs-datepicker.git#153d339e4dbebb73733658aeda1d5b7fcc55b0a0"
   },
+  "optionalDependencies": {
+    "@rollup/rollup-linux-amd64-gnu": "^4.43.0",
+    "@rollup/rollup-linux-arm64-gnu": "^4.43.0"
+  },
   "devDependencies": {
     "@babel/plugin-proposal-optional-chaining": "^7.21.0",
     "@vitest/browser": "^3.0.5",