post https://{tenanturl}/v2.0/clients//secrets
Create a new client secret and save the rotated client secret.
Entitlements required: manageSTSClients (Manage STS clients and token types) or manageAPIClients (Manage API clients) or manageAppAccessAdmin (Manage application lifecycle) or accessDevPortal (Access developer portal) or manageExternalAgents (Manage external agents)