Fix subscription variableS

Author: adityapatwardhan

tools/releaseBuild/yaml/releaseBuild.yml

@@ -9,6 +9,7 @@ variables:
     value: '$(System.ArtifactsDirectory)/Packages'
   - group: PSNativeAPIScan
   - group: SymbolPublish
+  - group: Azure Blob variable group
 
 resources:
   repositories:

tools/releaseBuild/yaml/upload.yml

@@ -7,8 +7,8 @@ steps:
   displayName: 'Upload ${{ parameters.fileName }} to azure blob'
   inputs:
     SourcePath: '${{ parameters.sourcePath }}'
-    azureSubscription: 'MGMT-Powershell-CICDInfra (94cf12ad-4fe9-490b-b281-0a260198a4e0)'
+    azureSubscription: '$(AzureFileCopySubscription)'
     Destination: AzureBlob
-    storage: pscoretestdata
+    storage: '$(StorageAccount)'
     ContainerName: 'PowerShell-Native-Symbols'
     BlobPrefix: '$(Build.SourceBranchName)'