[yang] add Yang model for XCVRD_LOG|Y_CABLE (sonic-net#20496)

#### Why I did it


Adding yang model for CONFIG_DB table XCVRD_LOG|Y_CABLE.
Introduced by 
https://github.com/sonic-net/sonic-utilities/blob/master/config/muxcable.py#L1230-L1235

#### How I did it
Added the changes in sonic-yang-models
#### How to verify it
UT test 

```
==================================================================================== test session starts ====================================================================================
platform linux -- Python 3.9.2, pytest-6.0.2, py-1.10.0, pluggy-0.13.0
rootdir: /sonic/src/sonic-yang-models
plugins: pyfakefs-5.2.3, cov-2.10.1
collected 3 items                                                                                                                                                                           

tests/test_sonic_yang_models.py ..                                                                                                                                                    [ 66%]
tests/yang_model_tests/test_yang_model.py .                                                                                                                                           [100%]

===================================================================================== 3 passed in 2.06s =====================================================================================
```

src/sonic-yang-models/doc/Configuration.md

@@ -86,6 +86,7 @@ Table of Contents
          * [Virtual router](#virtual-router)
          * [LOGGER](#logger)
          * [WRED_PROFILE](#wred_profile)
+         * [XCVRD_LOG](#xcvrd_log)
          * [PASSWORD_HARDENING](#password_hardening)
          * [SSH_SERVER](#ssh_server)
          * [SYSTEM_DEFAULTS table](#systemdefaults-table)

src/sonic-yang-models/setup.py

@@ -203,6 +203,7 @@ def run(self):
                          './yang-models/sonic-macsec.yang',
                          './yang-models/sonic-bgp-sentinel.yang',
                          './yang-models/sonic-bmp.yang',
+                         './yang-models/sonic-xcvrd-log.yang',
                          './yang-models/sonic-serial-console.yang',
                          './yang-models/sonic-smart-switch.yang',]),
         ('cvlyang-models', ['./cvlyang-models/sonic-acl.yang',

src/sonic-yang-models/tests/files/sample_config_db.json

@@ -2744,6 +2744,11 @@
                 "midplane_interface": "dpu1"
             }
         },
+	"XCVRD_LOG": {
+	    "Y_CABLE": {
+		"log_verbosity": "notice"
+	    }
+	},
         "BANNER_MESSAGE": {
             "global": {
                 "state": "enabled",

src/sonic-yang-models/tests/yang_model_tests/tests/xcvrd-log.json

@@ -0,0 +1,5 @@
+{
+    "XCVRD_LOG_Y_CABLE_CHANGE_VERBOSITY_LEVEL": {
+        "desc": "Consume verbosity level config changes. "
+    }
+}

src/sonic-yang-models/tests/yang_model_tests/tests_config/xcvrd-log.json

@@ -0,0 +1,12 @@
+{
+    "XCVRD_LOG_Y_CABLE_CHANGE_VERBOSITY_LEVEL": {
+        "sonic-xcvrd-log:sonic-xcvrd-log": {
+            "sonic-xcvrd-log:XCVRD_LOG": {
+                "sonic-xcvrd-log:Y_CABLE": 
+                    {
+                        "log_verbosity": "debug"
+                    }
+            }
+        }
+    }
+}

src/sonic-yang-models/yang-models/sonic-xcvrd-log.yang

@@ -0,0 +1,41 @@
+module sonic-xcvrd-log {
+    namespace "http://github.com/sonic-net/sonic-xcvrd-log";
+    prefix xcvrd_log;
+    yang-version 1.1;
+
+    organization
+        "SONiC";
+
+    contact
+        "SONiC";
+
+    description
+        "SONiC DualToR xcvrd logging configuration data";
+
+    revision 2024-10-14 {
+        description
+            "Initial revision";
+    }
+
+    container sonic-xcvrd-log {
+
+        container XCVRD_LOG {
+
+            container Y_CABLE {
+
+                leaf log_verbosity {
+                    type enumeration {
+                        enum info;
+                        enum notice;
+                        enum debug;
+                        enum warning;
+                        enum critical;
+                    }
+
+                    description "xcvrd log verbosity level. ";
+
+                }
+            }
+        }
+    }
+}