feat(apps): add updown.io policy (#1444)

data/services/updown.yaml

@@ -0,0 +1,26 @@
+# https://updown.io/about
+- name: updown
+  user_agent_regex: updown.io
+  action: ALLOW
+  remote_addresses: [
+    "45.32.74.41/32",
+    "104.238.136.194/32",
+    "192.99.37.47/32",
+    "91.121.222.175/32",
+    "104.238.159.87/32",
+    "102.212.60.78/32",
+    "135.181.102.135/32",
+    "45.32.107.181/32",
+    "45.76.104.117/32",
+    "45.63.29.207/32",
+    "2001:19f0:6001:2c6::1/128",
+    "2001:19f0:9002:11a::1/128",
+    "2607:5300:60:4c2f::1/128",
+    "2001:41d0:2:85af::1/128",
+    "2001:19f0:6c01:145::1/128",
+    "2c0f:c40:4003:4::2/128",
+    "2a01:4f9:c010:d5f9::1/128",
+    "2001:19f0:4400:402e::1/128",
+    "2001:19f0:7001:45a::1/128",
+    "2001:19f0:5801:1d8::1/128"
+  ]