Remove 2019 pipeline image (#650)

Author: dan-hughes

CHANGELOG.md

@@ -7,6 +7,13 @@ For older change log history see the [historic changelog](HISTORIC_CHANGELOG.md)
 
 ## [Unreleased]
 
+### Changed
+
+- `WebAdministrationDsc`
+  - Update to latest Sampler files.
+  - Remove `windows-2019` images. [#649](https://github.com/dsccommunity/WebAdministrationDsc/issues/649).
+  - Add `windows-2025` images.
+
 ## [4.2.1] - 2024-11-13
 
 ### Added

RequiredModules.psd1

@@ -17,9 +17,17 @@
     'Sampler.GitHubTasks'       = 'latest'
     MarkdownLinkCheck           = 'latest'
     'DscResource.Test'          = 'latest'
-    'DscResource.AnalyzerRules' = 'latest'
     xDscResourceDesigner        = 'latest'
-    'DscResource.DocGenerator'  = 'latest'
     PSPKI                       = 'latest'
+    
+    # Build dependencies needed for using the module
     'DscResource.Common'        = 'latest'
+
+    # Analyzer rules
+    'DscResource.AnalyzerRules'    = 'latest'
+    'Indented.ScriptAnalyzerRules' = 'latest'
+
+    # Prerequisite modules for documentation.
+    'DscResource.DocGenerator'     = 'latest'
+    PlatyPS                        = 'latest'
 }