Use Serilog org to publish package

Author: nblumhardt

appveyor.yml

@@ -15,7 +15,7 @@ artifacts:
 deploy:
 - provider: NuGet
   api_key:
-    secure: /Dm+EI0E1vCa+rZfYkluSnk7iSnAFKNOcEpreQrG88uYqCm//dKpY5vwqb1EJm3j
+    secure: nvZ/z+pMS91b3kG4DgfES5AcmwwGoBYQxr9kp4XiJHj25SAlgdIxFx++1N0lFH2x
   skip_symbols: true
   on:
     branch: /^(dev|master)$/