Outdated DuckDuckGo IPs

[dbacinski]

DuckDuckGo IPS are outdated according to

https://help.duckduckgo.com/duckduckgo-help-pages/results/duckduckbot/

it should be:

            ImmutableSet.of(
                "20.191.45.212",
                "40.88.21.235",
                "40.76.173.151",
                "40.76.163.7",
                "20.185.79.47",
                "52.142.26.175",
                "20.185.79.15",
                "52.142.24.149",
                "40.76.162.208",
                "40.76.163.23",
                "40.76.162.191",
                "40.76.162.247",
            )