Fix Windows build failure (#8400)

Summary:
Fix window build failure by reverting to previous tag as suggested by CircleCI.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8400

Test Plan: Watch CircleCI builds for a day or two for failure

Reviewed By: jay-zhuang

Differential Revision: D29104458

Pulled By: akankshamahajan15

fbshipit-source-id: 5df03092e4b0c221ee12daad7d1fdf8d35eb1082

.circleci/config.yml

@@ -124,7 +124,7 @@ commands:
 executors:
   windows-2xlarge:
     machine:
-      image: 'windows-server-2019-vs2019:stable'
+      image: 'windows-server-2019-vs2019:previous'
       resource_class: windows.2xlarge
       shell: bash.exe