Update build to use SDK 2.1.403 (#331)

* Update build.ps1

* Update build.sh

Author: csharpfritz

build.ps1

@@ -1,5 +1,5 @@
 $CakeVersion = "0.30.0"
-$DotNetVersion = "2.1.401";
+$DotNetVersion = "2.1.403";
 $DotNetInstallerUri = "https://dot.net/v1/dotnet-install.ps1";
 
 # Make sure tools folder exists
@@ -93,4 +93,4 @@ if ($LASTEXITCODE -eq 0)
 {
     & "$CakeExePath" ./build.cake $args
 }
-exit $LASTEXITCODE
+exit $LASTEXITCODE

build.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # Define varibles
 CAKE_VERSION=0.30.0
-DOTNET_VERSION=2.1.401
+DOTNET_VERSION=2.1.403
 SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 TOOLS_DIR=$SCRIPT_DIR/tools
 CAKE_EXE=$TOOLS_DIR/dotnet-cake
@@ -52,4 +52,4 @@ fi
 ###########################################################################
 
 # Start Cake
-(exec "$CAKE_EXE" build.cake --bootstrap) && (exec "$CAKE_EXE" build.cake "$@")
+(exec "$CAKE_EXE" build.cake --bootstrap) && (exec "$CAKE_EXE" build.cake "$@")