chore(release): 🔖 update prerelease version to alpha1

* PowerShell doesn't support '.' in prerelease.
* Corrected the prerelease version format in the module manifest.
* Updated changelog to reflect the new versioning style.

Author: HeyItsGilbert

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [2.0.0-alpha.1] 2026-02-12
+## [2.0.0-alpha1] 2026-02-12
 
 ### Fixed
 

Plaster/Plaster.psd1

@@ -15,7 +15,7 @@
     # PSData hashtable with additional module metadata used by PowerShell.
     PrivateData = @{
         PSData = @{
-            Prerelease   = 'alpha.1'
+            Prerelease   = 'alpha1'
 
             # Tags applied to this module. These help with module discovery in online galleries.
             Tags = @('Plaster', 'CodeGenerator', 'Scaffold', 'Template', 'JSON', 'PowerShell7')