[DataFactory]Add publicNetworkAccess into FactoryUpdateParameters (Azure#15950)

* [Synaspe] Sync changes from DataFactory

* Revert "[Synaspe] Sync changes from DataFactory"

This reverts commit f9657cd.

* [Synapse]Support AmazonRdsForOracle Connector

* [DataFactory]Add publicNetworkAccess into FactoryUpdateParameters

* update

Author: Jingshu923

specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/datafactory.json

@@ -5399,6 +5399,18 @@
         "identity": {
           "$ref": "#/definitions/FactoryIdentity",
           "description": "Managed service identity of the factory."
+        },
+        "publicNetworkAccess": {
+          "description": "Whether or not public network access is allowed for the data factory.",
+          "enum": [
+            "Enabled",
+            "Disabled"
+          ],
+          "type": "string",
+          "x-ms-enum": {
+            "name": "PublicNetworkAccess",
+            "modelAsString": true
+          }
         }
       }
     },