CodeGen from PR 20869 in Azure/azure-rest-api-specs

[Redis Cache] New API Version 2022-06-01 with some extra linked server properties added for server role update/failover support (#20869)

* Adds base for updating Microsoft.Cache from version stable/2022-05-01 to version 2022-06-01

* Updates readme

* Updates API version in new specs and examples

* API version 2022-06-01 with new linked server properties

* PR comments fix

* Updating description

* Updating description to make it more clear

* Updating to latest merge in swagger.

schemas/2022-05-01/Microsoft.Cache.json

@@ -457,7 +457,7 @@
         },
         "rdb-backup-frequency": {
           "type": "string",
-          "description": "Specifies the frequency for creating rdb backup"
+          "description": "Specifies the frequency for creating rdb backup in minutes. Valid values: (15, 30, 60, 360, 720, 1440)"
         },
         "rdb-backup-max-snapshot-count": {
           "type": "string",