Upgrade SDK to latest 2.2.100

Author: RehanSaeed

.travis.yml

@@ -22,7 +22,7 @@ addons:
 osx_image: xcode7.2
 
 # Ensure that .NET Core is installed
-dotnet: 2.1.403
+dotnet: 2.2.101
 # Ensure Mono is installed
 mono: latest
 

appveyor.yml

@@ -21,7 +21,7 @@ environment:
   DOTNET_CLI_TELEMETRY_OPTOUT: true
 
 build_script:
-- ps: choco install dotnetcore-sdk --no-progress --confirm --version 2.1.403
+- ps: choco install dotnetcore-sdk --no-progress --confirm --version 2.2.0
 - ps: .\build.ps1
 
 test: off