Update appveyor.yml

appveyor.yml

@@ -21,6 +21,6 @@ deploy:
   on:
     appveyor_repo_tag: true
   api_key:
-    secure:62g+D0FPQQgVHQE+VaLPri7EAoQgu8WQbtXaawwa0c8o6fLxTc2oJSx2MgcLvpzN
+    secure: 62g+D0FPQQgVHQE+VaLPri7EAoQgu8WQbtXaawwa0c8o6fLxTc2oJSx2MgcLvpzN
   skip_symbols: true
   artifact: /artifacts\/packages\/.+\.nupkg/