Make the link to minimal package blob public during release (PowerShell#18158)

Author: adityapatwardhan

tools/releaseBuild/azureDevOps/templates/release-MakeContainerPublic.yml

@@ -11,6 +11,10 @@ steps:
     az storage container set-permission --account-name $(StorageAccount) --name $(azureVersion) --public-access blob
   displayName: Make container public
 
+- pwsh: |
+    az storage container set-permission --account-name $(StorageAccount) --name $(azureVersion)-gc --public-access blob
+  displayName: Make guest configuration miminal package container public
+
 - pwsh: |
     az logout
   displayName: az logout