fix: check out client-py in CI so uv can resolve local path source

.github/workflows/ci.yml

@@ -11,6 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: donglora/client-py
+          path: ../client-py
       - uses: astral-sh/setup-uv@v6
       - run: uv run ruff check .
       - run: uv run ruff format --check .
@@ -22,6 +26,10 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: donglora/client-py
+          path: ../client-py
       - uses: astral-sh/setup-uv@v6
         with:
           python-version: ${{ matrix.python-version }}
@@ -37,6 +45,10 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+        with:
+          repository: donglora/client-py
+          path: ../client-py
       - uses: astral-sh/setup-uv@v6
       - run: uv build
       - uses: pypa/gh-action-pypi-publish@release/v1