Add AllowDqRemoval parameter to Install-SqlDscServer for SQL Server 2025 upgrade

Author: johlju

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- `Install-SqlDscServer`
+  - Added parameter `AllowDqRemoval` to the `Upgrade` parameter set
+    ([issue #2155](https://github.com/dsccommunity/SqlServerDsc/issues/2155)).
 - `Test-SqlDscIsSupportedFeature`
   - Added DQ, DQC, and MDS features as discontinued starting with SQL Server 2025
     (17.x) and later versions ([issue #2380](https://github.com/dsccommunity/SqlServerDsc/issues/2380)).

source/Public/Install-SqlDscServer.ps1

@@ -276,6 +276,10 @@
     .PARAMETER AllowUpgradeForSSRSSharePointMode
         See the notes section for more information.
 
+    .PARAMETER AllowDqRemoval
+        Specifies whether to allow removal of Data Quality (DQ) Services during
+        upgrade to SQL Server 2025 (17.x) and later versions.
+
     .PARAMETER NpEnabled
         See the notes section for more information.
 
@@ -994,6 +998,10 @@ function Install-SqlDscServer
         [System.Management.Automation.SwitchParameter]
         $AllowUpgradeForSSRSSharePointMode,
 
+        [Parameter(ParameterSetName = 'Upgrade')]
+        [System.Management.Automation.SwitchParameter]
+        $AllowDqRemoval,
+
         [Parameter(ParameterSetName = 'Install')]
         [Parameter(ParameterSetName = 'InstallRole')]
         [System.Management.Automation.SwitchParameter]