Update build-natives.yaml

Author: mayuki

.github/workflows/build-natives.yaml

@@ -411,7 +411,7 @@ jobs:
         with:
           path: native/artifacts
       - run: ls -lFaR native/artifacts
-      - run: dotnet pack -c ${{ env._DOTNET_BUILD_CONFIG }} ./YetAnotherHttpHandler.sln --include-symbols --include-source -o ./publish
+      - run: dotnet pack -c ${{ env._DOTNET_BUILD_CONFIG }} ./YetAnotherHttpHandler.slnx --include-symbols --include-source -o ./publish
       #- run: dotnet test -c ${{ env._DOTNET_BUILD_CONFIG }} ./test/YetAnotherHttpHandler.Packaging.Test
       - uses: Cysharp/Actions/.github/actions/upload-artifact@main
         with: