upload cpp client in CI

.github/workflows/multi-language-client.yml

diff --git a/.github/workflows/multi-language-client.yml b/.github/workflows/multi-language-client.yml
index 1791877..5a1f0f4 100644
--- a/.github/workflows/multi-language-client.yml
+++ b/.github/workflows/multi-language-client.yml
@@ -105,7 +105,7 @@
       - name: Upload Cpp Client Artifact
         uses: actions/upload-artifact@v4
         with:
-          name: client-cpp-${{ runner.os }}
+          name: client-cpp-${{ matrix.os }}
           path: iotdb-client/client-cpp/target/*.zip
           retention-days: 1
       - name: Upload Artifact