Enable dotnet telemetry in CI

Author: andyleejordan

.github/workflows/ci-test.yml

@@ -22,7 +22,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       DOTNET_NOLOGO: true
-      DOTNET_CLI_TELEMETRY_OPTOUT: true
       DOTNET_GENERATE_ASPNET_CERTIFICATE: false
     steps:
       - name: Checkout repository

.github/workflows/codeql-analysis.yml

@@ -24,7 +24,6 @@ jobs:
       security-events: write
     env:
       DOTNET_NOLOGO: true
-      DOTNET_CLI_TELEMETRY_OPTOUT: true
       DOTNET_GENERATE_ASPNET_CERTIFICATE: false
     steps:
     - name: Checkout repository

.github/workflows/emacs-test.yml

@@ -16,7 +16,6 @@ jobs:
     runs-on: ubuntu-latest
     env:
       DOTNET_NOLOGO: true
-      DOTNET_CLI_TELEMETRY_OPTOUT: true
       DOTNET_GENERATE_ASPNET_CERTIFICATE: false
     steps:
       - name: Checkout repository

.github/workflows/vim-test.yml

@@ -16,7 +16,6 @@ jobs:
     runs-on: ubuntu-latest
     env:
       DOTNET_NOLOGO: true
-      DOTNET_CLI_TELEMETRY_OPTOUT: true
       DOTNET_GENERATE_ASPNET_CERTIFICATE: false
     steps:
       - name: Checkout repository

.pipelines/PowerShellEditorServices-Official.yml

@@ -21,7 +21,6 @@ variables:
   BuildConfiguration: Release
   WindowsContainerImage: onebranch.azurecr.io/windows/ltsc2019/vse2022:latest
   DOTNET_NOLOGO: true
-  DOTNET_CLI_TELEMETRY_OPTOUT: true
   DOTNET_GENERATE_ASPNET_CERTIFICATE: false
 
 resources:
@@ -64,10 +63,10 @@ extends:
               system: Custom
               customVersion: $(package.version)
           - task: UseDotNet@2
-            displayName: Use .NET 8.x SDK
+            displayName: Use .NET SDK
             inputs:
               packageType: sdk
-              version: 8.x
+              useGlobalJson: true
           - task: UseDotNet@2
             displayName: Use .NET 7.x runtime (for tests)
             inputs: