[main] Update common Docker engineering infrastructure with latest (#6351)

Author: dotnet-docker-bot

eng/common/Install-DotNetSdk.ps1

@@ -11,11 +11,16 @@ Install the .NET Core SDK at the specified path.
 .PARAMETER InstallPath
 The path where the .NET Core SDK is to be installed.
 
+.PARAMETER Channel
+The version of the .NET Core SDK to be installed.
+
 #>
 [cmdletbinding()]
 param(
     [string]
-    $InstallPath
+    $InstallPath,
+    [string]
+    $Channel = "9.0"
 )
 
 Set-StrictMode -Version Latest
@@ -40,7 +45,7 @@ if (!(Test-Path $DotnetInstallScriptPath)) {
     & "$PSScriptRoot/Invoke-WithRetry.ps1" "Invoke-WebRequest 'https://builds.dotnet.microsoft.com/dotnet/scripts/v1/$DotnetInstallScript' -OutFile $DotnetInstallScriptPath"
 }
 
-$DotnetChannel = "9.0"
+$DotnetChannel = $Channel
 
 $InstallFailed = $false
 if ($IsRunningOnUnix) {

eng/common/templates/jobs/cg-build-projects.yml

@@ -7,6 +7,11 @@ parameters:
   type: boolean
   default: false
   displayName: CG Dry Run
+# See https://learn.microsoft.com/en-us/dotnet/core/tools/dotnet-install-script#options for possible Channel values
+- name: dotnetVersionChannel
+  type: string
+  default: '9.0'
+  displayName: .NET Version
 
 jobs:
 - job: BuildProjects
@@ -17,7 +22,7 @@ jobs:
     os: linux
   steps:
   - powershell: >
-      ./eng/common/Install-DotNetSdk.ps1 /usr/share/.dotnet
+      ./eng/common/Install-DotNetSdk.ps1 -Channel ${{ parameters.dotnetVersionChannel }} -InstallPath "/usr/share/.dotnet"
     displayName: Run Dotnet Install Script
   - script: >
       find . -name '*.csproj' | grep $(cgBuildGrepArgs) | xargs -n 1 /usr/share/.dotnet/dotnet build
@@ -29,7 +34,7 @@ jobs:
     - powershell: |
         Write-Host "##vso[build.updatebuildnumber]$env:BUILD_BUILDNUMBER (Dry run)"
         Write-Host "##vso[build.addbuildtag]dry-run"
-        
+
         if ("$(officialBranches)".Split(',').Contains("$(Build.SourceBranch)"))
         {
           Write-Host "##vso[task.logissue type=error]Cannot run a CG dry-run build from an official branch ($(officialBranches))."