[openssl-project] Freezing the repo soon

[Salz, Rich]

>    Release is complete and repo is now unfrozen.
    
>    Thanks to Richard for all his help (as usual).
  
So Richard and Matt, please update the release instructions in the release-tools part of the tools repo.  (I know, for example, that making sure an old/1.1.x release directory is needed)

Thanks!