Fix the GITHUB_WORKSPACE artifact sharing issue

GITHUB_WORKSPACE will be reset in each job step which makes artifact not sharable between artifact build and upload steps.

Signed-off-by: Jiaxin Shan <[email protected]>

.github/workflows/release-build.yaml

@@ -81,13 +81,12 @@ jobs:
         run: |
           cd python/aibrix
           poetry build
-          mkdir -p $GITHUB_WORKSPACE/artifacts
-          cp dist/* $GITHUB_WORKSPACE/artifacts/
+          ls -al dist/*
       - name: Upload release artifacts
         uses: actions/upload-artifact@v4
         with:
           name: aibrix-python-packages
-          path: $GITHUB_WORKSPACE/artifacts/
+          path: python/aibrix/dist/*.whl
 
   artifact-release:
     runs-on: ubuntu-latest
@@ -172,4 +171,6 @@ jobs:
           prerelease: ${{ env.prerelease }}
           files: |
             aibrix-dependency-${{ github.ref_name }}.yaml
-            aibrix-core-${{ github.ref_name }}.yaml
+            aibrix-core-${{ github.ref_name }}.yaml
+            aibrix-*.whl
+            aibrix-python-packages/aibrix-*.whl