[Hub Generated] Review request for Microsoft.DBforPostgreSQL to add version preview/2022-05-01-privatepreview (#21523)

* Adds base for updating Microsoft.DBforPostgreSQL from version preview/2022-03-08-preview to version 2022-05-01-privatepreview

* Updates readme

* Updates API version in new specs and examples

* copied migration changes

* added new checkMigrationNameAvailability.json

* changed readme file

* change in readme.md

* change in readme.md

* change in readme.md

* removed commontypes.json in readme

* testing readme changes

* changed subscriptionid and resourceGroupName

* changed serviceError

* changed uuid to guid

* changed guid to string

* aded custom words

* renamed migrationName to nameOfMigration

* removed common-types in readme

* copied 2022-03-08-preview merged PR changes

* changed v2 to v3 in migration.json and added password in types.json

* added password

* Added only migration related changes

* Added operations.json

* Added only migration related changes

* testing operation change

* Added operations.json

* checking avocado changes

* removed common-types

* changed -privatepreview to -preview

* resolved conflicts

* changed camelcase errors

* added trigger as custom word

* added trigger as custom word

* Removed MigrationResourceGroup

* changed nameOfMigration to migrationName

* reverted nameOfMigration to migrationName

* changed to preview-only

* checking migrationName param

* reverting migrationname changes

* testing migrationName

* fixed error

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Co-authored-by: Purnachandra rao Kota <[email protected]>

Author: PurnaChandraRaoK

custom-words.txt

@@ -1174,6 +1174,8 @@ Lockdown
 managedidentity
 managedvirtualnetworks
 managedprivateendpoints
+Trigger
+dBsToTiggerCutoverOn
 loganalytics
 loggerid
 logio