Fix CI NuGet package creation regression.

Author: tritao

.github/workflows/main.yml

@@ -105,21 +105,17 @@ jobs:
       - name: Upload Artifacts
         # We only need a release version of this in the create_package job
         if: matrix.build-cfg == 'Release'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
-          name: intermediate-${{ matrix.build-cfg }}-${{ matrix.platform }}
+          name: intermediate-${{ runner.os }}-${{ matrix.build-cfg }}-${{ matrix.platform }}
           retention-days: 7
-          overwrite: true
           path: |
             artifacts
             include/**/*.h
 
   create_package:
     runs-on: windows-2022
     needs: build
-    if: |
-      (github.event_name == 'push' && (github.ref == 'refs/heads/main' || contains(github.ref, 'nuget') || startsWith(github.ref, 'refs/tags/v'))) ||
-      (github.event.pull_request.head.repo.full_name != github.repository && (contains(github.event.pull_request.head.ref, 'nuget') || startsWith(github.event.pull_request.head.ref, 'refs/tags/v')))
 
     env:
       DOTNET_NOLOGO: true
@@ -134,9 +130,10 @@ jobs:
       - name: Set version
         run: nbgv cloud --all-vars
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
-          name: intermediate-Release-x64
+          pattern: intermediate*
+          merge-multiple: true
 
       - name: Setup
         shell: bash