Update Az.Compute.psd1

Downgrade dependency to Az.Accounts to work around an issue in sign pipeline

Author: isra-fel

src/Compute/Compute/Az.Compute.psd1

@@ -54,7 +54,7 @@ DotNetFrameworkVersion = '4.7.2'
 # ProcessorArchitecture = ''
 
 # Modules that must be imported into the global environment prior to importing this module
-RequiredModules = @(@{ModuleName = 'Az.Accounts'; ModuleVersion = '2.12.1'; })
+RequiredModules = @(@{ModuleName = 'Az.Accounts'; ModuleVersion = '2.12.0'; })
 
 # Assemblies that must be loaded prior to importing this module
 RequiredAssemblies = 'Microsoft.Azure.PowerShell.AutoMapper.dll',