Update main.yml

.github/workflows/main.yml

@@ -105,9 +105,9 @@ jobs:
 
 
       - name: Upload test results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: questpdf-test-results
+          name: questpdf-test-results-${{ matrix.runtime.name }}
           path: |
             **/*.pdf
 
@@ -122,3 +122,12 @@ jobs:
             **/*.snupkg
             !.nuget
 
+  merge:
+    runs-on: ubuntu-latest
+    needs: main
+    steps:
+      - name: Merge Artifacts
+        uses: actions/upload-artifact/merge@v4
+        with:
+          name: questpdf-test-results
+          pattern: questpdf-test-results-*