Update NuGet.org publishing key

Author: nblumhardt

appveyor.yml

@@ -1,13 +1,8 @@
 version: '{build}'
 skip_tags: true
 image: Visual Studio 2019
-configuration: Release
 install:
   - ps: mkdir -Force ".\build\" | Out-Null
-  #- ps: Invoke-WebRequest "https://raw.githubusercontent.com/dotnet/cli/release/2.0.0/scripts/obtain/dotnet-install.ps1" -OutFile ".\build\installcli.ps1"
-  #- ps: $env:DOTNET_INSTALL_DIR = "$pwd\.dotnetcli"
-  #- ps: '& .\build\installcli.ps1 -InstallDir "$env:DOTNET_INSTALL_DIR" -NoPath -Version 2.0.0-preview2-006497'
-  #- ps: $env:Path = "$env:DOTNET_INSTALL_DIR;$env:Path"
 build_script:
 - ps: ./Build.ps1
 test: off
@@ -16,7 +11,7 @@ artifacts:
 deploy:
 - provider: NuGet
   api_key:
-    secure: N59tiJECUYpip6tEn0xvdmDAEiP9SIzyLEFLpwiigm/8WhJvBNs13QxzT1/3/JW/
+    secure: JAnOxPQMZRp8ousbAW4vYnVtd936AOMp4gDGucCQ1RZrDZW3J+X5QmbLO7OJKtBr
   skip_symbols: true
   on:
     branch: /^(master|dev)$/