Fix `tootctl accounts cull` crashing when encountering a domain resolving to a...

Fix `tootctl accounts cull` crashing when encountering a domain resolving to a private address (#23378)

lib/mastodon/accounts_cli.rb

@@ -353,7 +353,7 @@ module Mastodon
 
         begin
           code = Request.new(:head, account.uri).perform(&:code)
-        rescue HTTP::TimeoutError, HTTP::ConnectionError, OpenSSL::SSL::SSLError
+        rescue HTTP::TimeoutError, HTTP::ConnectionError, OpenSSL::SSL::SSLError, Mastodon::PrivateNetworkAddressError
           skip_domains << account.domain
         end