chore: remove unnecessary workaround packages

Remove jsdom and @rollup/rollup-linux-x64-gnu packages that were added
as a temporary workaround for npm v11.5.0 bug. The issue has been
resolved in npm v11.6.0+.

Related: npm/cli#8470

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: balzss

package.json

@@ -82,7 +82,6 @@
     "eslint-plugin-react": "^7.37.5",
     "globals": "^15.13.0",
     "husky": "^9.1.7",
-    "jsdom": "^26.1.0",
     "lerna": "^8.2.4",
     "lint-staged": "^15.2.10",
     "react": "18.3.1",
@@ -92,9 +91,6 @@
     "vitest": "^3.2.2",
     "webpack": "^5.99.9"
   },
-  "optionalDependencies": {
-    "@rollup/rollup-linux-x64-gnu": "*"
-  },
   "//dependency-comments": {
     "scripts": "The '--' at the end of commands is needed so user parameters are passed forward",
     "danger": "^11.3.1 -- add this back if we use it in pr-validation.yml",