fixed all issues - #347

On December 2, 2026, GitHub will restrict `pull_request_target` on public repositories by default. To continue allowing the event trigger, configure an Actions policy. Learn more: https://gh.io/securely-using-pull_request_target#default-policy-for-pull_request_target

package.json: adds or updates dependency next-intl; check it is the package you expect

next.config.ts: changes a config file that is executed as code