- updated to 4.20 development release

- New version of the Mono engine with an FNA update.
  - Code persistence in VBScript and JScript.
  - Vulkan spec updates.
  - Improved support for LLVM MinGW.
  - Various bug fixes.
- updated staging to 4.20

OBS-URL: https://build.opensuse.org/package/show/Emulators/wine?expand=0&rev=666

_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/v4.19</param>
+    <param name="revision">refs/tags/v4.20</param>
     <param name="match-tag">v*.*</param>
     <param name="scm">git</param>
   </service>