Fix name

Author: zooba

windows-release/openssl-build.yml

@@ -14,7 +14,7 @@ parameters:
   displayName: 'Sources Repository'
   type: string
   default: 'https://github.com/python/cpython-source-deps'
-- name: CustomBuild
+- name: CustomBuildVM
   displayName: 'Custom build VM'
   type: boolean
   default: false