add access to open api key

Author: khuyentran1401

.github/workflows/publish-marimo.yml

@@ -26,6 +26,8 @@ jobs:
         run: uv add marimo
 
       - name: Export Marimo Notebook
+        env:
+          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
         run: |
           uv run marimo export html data_science_tools/polars_vs_pandas.py -o build/data_science_tools/polars_vs_pandas.html --sandbox
           uv run marimo export html llm/pydantic_ai_examples.py -o build/llm/pydantic_ai_examples.html --sandbox