Remove preview tag from AzureContainerApps@1 (#18288)

Co-authored-by: Cormac McCarthy <[email protected]>

Author: daniv-msft

Tasks/AzureContainerAppsV1/task.json

@@ -21,7 +21,6 @@
         "Minor": 222,
         "Patch": 0
     },
-    "preview": true,
     "minimumAgentVersion": "2.144.0",
     "instanceNameFormat": "Azure Container Apps Deploy",
     "showEnvironmentVariables": false,

Tasks/AzureContainerAppsV1/task.loc.json

@@ -21,7 +21,6 @@
     "Minor": 222,
     "Patch": 0
   },
-  "preview": true,
   "minimumAgentVersion": "2.144.0",
   "instanceNameFormat": "ms-resource:loc.instanceNameFormat",
   "showEnvironmentVariables": false,