Update appveyor.yml

appveyor.yml

@@ -21,7 +21,7 @@ deploy:
     server: https://www.myget.org/F/sixlabors/api/v2/package
     symbol_server: https://www.myget.org/F/sixlabors/symbols/api/v2/package
     api_key:
-      secure: SyrSERGrjkK21TSCsHtqke5279SMxXCg2NXKjR2qaErP0khEplwxPwE8Ch5bxzyf
+      secure: V/lEHP0UeMWIpWd0fiNlY2IgbCnJKQlGdRksECdJbOBdaE20Fl0RNL7WyqHe02o4
     artifact: /.*\.nupkg/
     on:
       branch: master