Merge pull request #310 from mssonicbld/sonicbld/202603-merge

```<br>* afb9276 - (HEAD -> 202603) Merge branch '202511' of https://github.com/sonic-net/sonic-utilities into 202603 (2026-04-15) [Sonic Automation]
* 76eda5c - (origin/202511) Add q3d SKUs to gcu_field_operation_validators.conf.json (#4453) (2026-04-14) [HP]<br>```

Author: mssonicbld

generic_config_updater/gcu_field_operation_validators.conf.json

@@ -39,7 +39,8 @@
                 "td4": [ "Nokia-IXR7220-D4-36D" ],
                 "j2c+": [ "Nokia-IXR7250E-36x100G", "Nokia-IXR7250E-36x400G", "Nokia-IXR7250-X3B", "Arista-7800R3A-36DM2-D36" ],
                 "q2c+": [ "Nokia-IXR7250-X1B" ],
-                "jr2": [ "Arista-7800R3-48CQ2-C48", "Arista-7800R3-48CQM2-C48", "Arista-7808R3A-FM" ]
+                "jr2": [ "Arista-7800R3-48CQ2-C48", "Arista-7800R3-48CQM2-C48", "Arista-7808R3A-FM" ],
+                "q3d": [ "Arista-7280R4-32QF-32DF-64O", "Arista-7280R4K-32QF-32DF-64O" ]
             }
 	}
     },
@@ -74,6 +75,7 @@
                             "td4": "20241100",
                             "q2c+": "20241100",
                             "j2c+": "20220500",
+                            "q3d": "20251100",
                             "cisco-8000": "20201200",
                             "marvell-teralynx": "20241100"
                         }
@@ -124,6 +126,7 @@
                             "td4": "20241100",
                             "q2c+": "20241100",
                             "j2c+": "20220500",
+                            "q3d": "20251100",
                             "cisco-8000": "20201200",
                             "marvell-teralynx": "20241100"
                         }
@@ -151,6 +154,7 @@
                             "td4": "20241100",
                             "q2c+": "20241100",
                             "j2c+": "20220500",
+                            "q3d": "20251100",
                             "cisco-8000": "20201200"
                         }
                     },