fix: windows-2019 deprecate

Author: atrox39

.github/workflows/build.yml

@@ -12,25 +12,30 @@ on:
 
 jobs:
   build:
-    runs-on: windows-2019
+    runs-on: windows-latest
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup MSBuild
-        uses: microsoft/setup-msbuild@v1.1
+        uses: microsoft/setup-msbuild@v2
 
       - name: Setup NuGet
-        uses: NuGet/setup-nuget@v1.0.5
+        uses: nuget/setup-nuget@v2
+
+      # PASO CLAVE: instalar los assemblies de referencia de .NET 4.0
+      - name: Install .NET 4.0 Targeting Pack via NuGet
+        run: |
+          nuget install Microsoft.NETFramework.ReferenceAssemblies.net40 -Version 1.0.3 -OutputDirectory c:\refs
+          xcopy /E /I c:\refs\Microsoft.NETFramework.ReferenceAssemblies.net40.1.0.3\build\.NETFramework "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework"
 
       - name: Restore NuGet packages
         run: nuget restore NotAORM.sln
 
       - name: Build solution in Release
         run: msbuild NotAORM.sln -t:rebuild -property:Configuration=Release -property:Platform="Any CPU"
 
-      # Opcional: copiar artifacts a un directorio staging
       - name: Copy artifacts to staging
         run: |
           mkdir staging
@@ -57,12 +62,10 @@ jobs:
           & $signtool sign /f "${{ runner.temp }}\NotAORM.pfx" /p "${{ secrets.PFX_PASSWORD }}" /fd SHA256 /t http://timestamp.digicert.com staging\NotAORM.dll
         shell: powershell
 
-      # Empaquetar para release
       - name: Package artifacts (only on tags)
         if: startsWith(github.ref, 'refs/tags/')
         run: Compress-Archive -Path staging\* -DestinationPath NotAORM-${{ github.ref_name }}.zip
 
-      # Publicar en GitHub Releases
       - name: Create GitHub Release and upload asset
         if: startsWith(github.ref, 'refs/tags/')
         uses: softprops/action-gh-release@v1