Adds the bigip_monitor_udp module (#33481)

This module can be used to manage UDP monitors on a BIG-IP

test/units/modules/network/f5/fixtures/load_ltm_monitor_udp.json

@@ -0,0 +1,25 @@
+{
+  "kind": "tm:ltm:monitor:udp:udpstate",
+  "name": "asdf",
+  "partition": "Common",
+  "fullPath": "/Common/asdf",
+  "generation": 0,
+  "selfLink": "https://localhost/mgmt/tm/ltm/monitor/udp/~Common~asdf?ver=13.0.0",
+  "adaptive": "disabled",
+  "adaptiveDivergenceType": "relative",
+  "adaptiveDivergenceValue": 25,
+  "adaptiveLimit": 200,
+  "adaptiveSamplingTimespan": 300,
+  "debug": "no",
+  "defaultsFrom": "/Common/udp",
+  "destination": "1.1.1.1:389",
+  "interval": 5,
+  "manualResume": "disabled",
+  "recv": "hello world",
+  "reverse": "disabled",
+  "send": "default send string",
+  "timeUntilUp": 0,
+  "timeout": 16,
+  "transparent": "disabled",
+  "upInterval": 0
+}