Routing mode SCRIPT cause "Unknown error" and won't connect

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- [X] I checked to make sure that this issue has not already been filed

### AdGuard VPN CLI version

1.1.126, 1.1.127

### Environment

- OS: Asuswrt Merlin 386.14
- Device: ASUS RT-AC68U

### Issue Details

Steps to reproduce:
1. adguardvpn-cli config set-tun-routing-mode SCRIPT
2. adguardvpn-cli connect
Unknown error

### Expected Behavior

connect and run script from $HOME/.local/share/adguardvpn-cli/setup_routes.sh

### Actual Behavior

Unknown error

### Screenshots

_No response_

### Additional Information

_No response_