Enable dotnet telemetry in CI

Author: andyleejordan

.github/workflows/ci-test.yml

@@ -18,7 +18,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       DOTNET_NOLOGO: true
-      DOTNET_CLI_TELEMETRY_OPTOUT: true
       DOTNET_GENERATE_ASPNET_CERTIFICATE: false
       DISPLAY: ':99.0'
     steps: