update silent hill 3 fixes. paired with patched in workaround in proton

resolves #8

gamefixes-umu/umu-silenthill3.py

@@ -7,3 +7,7 @@ def main() -> None:
 
     # Set SteamGameId so that non-steam versions can pick up steam-specific fixes in proton's wine code
     util.set_environment('SteamGameId', 'silenthill3')
+
+    # Needs dsdmo for some cutscenes
+    util.protontricks('directmusic')
+    util.winedll_override("dsound", "builtin")