Split prerelease cleanup into dedicated action

Extract prerelease cleanup from Publish-PSModule into Cleanup-PSModulePrereleases and wire Publish-Module workflow to run publish and cleanup as separate scenario-gated steps.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug

.github/actions/Publish-PSModule/action.yml

@@ -10,10 +10,6 @@ inputs:
     description: Path to the folder containing the <Name>/ module subdirectory from Build-PSModule.
     required: false
     default: outputs/module
-  ReleaseType:
-    description: Resolved release type from settings (Release, Prerelease, None). Used to control prerelease cleanup behavior.
-    required: false
-    default: None
   APIKey:
     description: PowerShell Gallery API Key.
     required: true
@@ -54,14 +50,12 @@ runs:
         Install-PSResource -Name Microsoft.PowerShell.PSResourceGet -Repository PSGallery -TrustRepository
 
     - name: Download module artifact
-      if: inputs.ReleaseType != 'None'
       uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       with:
         name: ${{ inputs.ArtifactName }}
         path: ${{ inputs.ModulePath }}
 
     - name: Publish Module
-      if: inputs.ReleaseType != 'None'
       shell: pwsh
       working-directory: ${{ inputs.WorkingDirectory }}
       env:

.github/workflows/Publish-Module.yml

@@ -45,7 +45,6 @@ jobs:
         with:
           Name: ${{ fromJson(inputs.Settings).Name }}
           ModulePath: outputs/module
-          ReleaseType: ${{ fromJson(inputs.Settings).Module.ReleaseType }}
           APIKey: ${{ secrets.APIKey }}
           WhatIf: ${{ github.repository == 'PSModule/Process-PSModule' }}
           UsePRTitleAsReleaseName: ${{ fromJson(inputs.Settings).Publish.Module.UsePRTitleAsReleaseName }}