[Azure SDK Key Vault Keys] update version to 4.0.0 GA#19487

Merged

BillyONeal merged 5 commits intomicrosoft:masterfrom azure-sdk:azure-sdk-for-cpp-keyvault-keys-4

Aug 12, 2021

+10-7

Commits on Aug 10, 2021

[azure-security-keyvault-keys-cpp] Update to 4.0.0
azure-sdk
committed

Commits on Aug 11, 2021