Wine staging 8.1 release

[Alistair Leslie-Hughes]

Binary packages for various distributions will be available from:
https://www.winehq.org/download

Summary since last release
* Rebased to current wine 8.1  (475 patches are applied to wine vanilla)

Upstreamed (Either directly from staging or fixed with a similar patch).
* rpcrt4: Avoid implicit cast of interface pointer.
* include: Add _XHR enum values
* ntdll-Builtin_Prot (removed as PE conversion is complete)

Added:
* None

Updated:
* ntdll-Placeholders

Where can you help
* Run Steam/Battle.net/GOG/UPlay/Epic
* Test your favorite game.
* Test your favorite applications.
* Improve staging patches and get them accepted upstream.
* Suggest patches to be included in staging.

As always, if you find a bug, please report it via
https://bugs.winehq.org

Best Regards
  Alistair.