Update ci.yml

Author: dengyakui

.github/workflows/ci.yml

@@ -15,4 +15,10 @@ jobs:
         dotnet-version: 3.1.102
     - name: Build with dotnet
       run: dotnet publish -c Release -o publish/win-x64 -r win-x64 /p:PublishSingleFile=true /p:IncludeSymbolsInSingleFile=true /p:PublishTrimmed=true
-    
+    - name: Upload artifact
+      uses: actions/upload-artifact@v1.0.0
+      with:
+        # Artifact name
+        name: DotNetGitStats
+        # Directory containing files to upload
+        path: publish/win-x64