CodeGen from PR 19425 in Azure/azure-rest-api-specs

Swagger update for 2022-06-01-preview version for recoveryservices-backup (#19182) (#19425)

* Adding base version 2022-03-01

* Adding changes for new version

* Updating readme and custom words

* Fixing typo

* Adding saphanaDBInstance to protected items

* Fixing lintdiff issues

* Adding back tiering policy changes

* Fixing swagger correctness issues

Author: SDKAuto