Update date for encrypted OS disk pricing changes

Author: linuxelf001

articles/confidential-computing/confidential-vm-overview.md

@@ -66,7 +66,7 @@ This feature can be enabled through an opt-in process. To learn more, read [the
 
 Azure confidential VMs use both the OS disk and a small encrypted virtual machine guest state (VMGS) disk of several megabytes. The VMGS disk contains the security state of the VM's components. Some components include the vTPM and UEFI bootloader. The small VMGS disk might incur a monthly storage cost.
 
-From July 2022, encrypted OS disks will incur higher costs. For more information, see [the pricing guide for managed disks](https://azure.microsoft.com/pricing/details/managed-disks/).
+From March 30 2026, encrypted OS disks will incur higher costs. For more information, see [the pricing guide for managed disks](https://azure.microsoft.com/pricing/details/managed-disks/).
 
 ## Attestation and TPM