- updated to 6.13 development release

- Proper scrollbar theming.
  - More work towards WinSock PE conversion.
  - Preparation work for the GDI syscall interface.
  - Some progress on the IPHLPAPI PE conversion.
  - Various bug fixes.
- update staging to 6.13 release

OBS-URL: https://build.opensuse.org/package/show/Emulators/wine?expand=0&rev=864

_service

@@ -3,7 +3,7 @@
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="versionrewrite-pattern">v(.*)</param>
     <param name="url">https://github.com/wine-staging/wine-staging.git</param>
-    <param name="revision">refs/tags/v6.12.1</param>
+    <param name="revision">refs/tags/v6.13</param>
     <param name="match-tag">v*.*</param>
     <param name="scm">git</param>
   </service>