[ReleasePR redis] [Hub Generated] Review request for Microsoft.Cache to add aof-backup-enabled and authnotrequired configs in version stable/2020-12-01 and stable/2021-06-01 (#2449)

Create to sync Azure/azure-rest-api-specs#19566
[ReCreate this PR](https://github.com/azure-resource-manager-schemas/compare/main...azure-sdk:sdkAuto/redis?expand=1)

Author: msftbot[bot]

schemas/2020-12-01/Microsoft.Cache.json

@@ -363,6 +363,10 @@
           ],
           "description": "Unmatched properties from the message are deserialized this collection"
         },
+        "aof-backup-enabled": {
+          "type": "string",
+          "description": "Specifies whether the aof backup is enabled"
+        },
         "aof-storage-connection-string-0": {
           "type": "string",
           "description": "First storage account connection string"
@@ -371,6 +375,10 @@
           "type": "string",
           "description": "First storage account connection string"
         },
+        "authnotrequired": {
+          "type": "string",
+          "description": "Specifies whether the authentication is disabled. Setting this property is highly discouraged from security point of view."
+        },
         "maxfragmentationmemory-reserved": {
           "type": "string",
           "description": "Value in megabytes reserved for fragmentation per shard"

schemas/2021-06-01/Microsoft.Cache.json

@@ -415,6 +415,10 @@
           ],
           "description": "Unmatched properties from the message are deserialized this collection"
         },
+        "aof-backup-enabled": {
+          "type": "string",
+          "description": "Specifies whether the aof backup is enabled"
+        },
         "aof-storage-connection-string-0": {
           "type": "string",
           "description": "First storage account connection string"
@@ -423,6 +427,10 @@
           "type": "string",
           "description": "First storage account connection string"
         },
+        "authnotrequired": {
+          "type": "string",
+          "description": "Specifies whether the authentication is disabled. Setting this property is highly discouraged from security point of view."
+        },
         "maxfragmentationmemory-reserved": {
           "type": "string",
           "description": "Value in megabytes reserved for fragmentation per shard"