Fix certain IPs not being recognized as proxies.

Fix certain IPs (namely Digital Ocean IPs) no longer being recognized as
proxy IPs by the Ipregistry.co API. Caused by some sudden change in the
API.

app/logical/ip_lookup.rb

@@ -49,6 +49,7 @@ class IpLookup
 
   def is_proxy?
     return true if ip_addr.is_tor?
+    return true if response.dig(:connection, :type) == "hosting"
     response[:security].present? && response[:security].values.any?
   end
 

test/unit/ip_geolocation_test.rb

@@ -57,13 +57,13 @@ class IpGeolocationTest < ActiveSupport::TestCase
 
       should "work for a proxy IP" do
         @ip = IpGeolocation.create_or_update!("31.214.184.59")
-        assert_equal("Soluciones Corporativas IP SL", @ip.organization)
+        assert_equal("Soluciones Corporativas IP (SCIP)", @ip.organization)
         assert_equal(true, @ip.is_proxy?)
       end
 
       should "work for a cloud hosting IP" do
         @ip = IpGeolocation.create_or_update!("157.230.244.215")
-        assert_equal("DigitalOcean LLC", @ip.organization)
+        assert_equal("DigitalOcean, LLC", @ip.organization)
         assert_equal(true, @ip.is_proxy?)
       end