Add Path

Author: normj

buildtools/ci.buildspec.yml

@@ -7,7 +7,7 @@ phases:
   install:
     commands:
       - curl -sSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin --channel 10.0
-      - dotnet --version
+      - dotnet new globaljson --sdk-version 10.0.0 --roll-forward minor
   build:
     commands:
       - dotnet test --verbosity normal test/Amazon.Common.DotNetCli.Tools.Test/Amazon.Common.DotNetCli.Tools.Test.csproj --configuration Release --logger trx --results-directory ./testresults