Add workaround for shared output assemblies

Note to self: revisit this once I get the response in https://github.com/dotnet/cli/issues/9349

.travis.yml

@@ -40,7 +40,7 @@ script:
   - |
     set -e
 
-    dotnet build ArchiSteamFarm -c "$CONFIGURATION" -o 'out/source' /nologo
+    dotnet build ArchiSteamFarm -c "$CONFIGURATION" -o 'out/source' /nologo "/p:ASFVariant=generic"
     dotnet test ArchiSteamFarm.Tests -c "$CONFIGURATION" -o 'out/source' /nologo
 
     publish() {