Update ci.yml with new api key names.

Author: fkdosilovic

.github/workflows/ci.yml

@@ -25,8 +25,8 @@ jobs:
           pipenv install -e .
       - name: Test with pytest
         env: # Add necessary api keys as env variables.
-          ATD_API_KEY: ${{ secrets.ATD_API_KEY }}
-          RAPID_API_KEY: ${{ secrets.RAPID_API_KEY }}
-          SULU_API_KEY: ${{ secrets.SULU_API_KEY }}
+          ATD_API_KEY: ${{ secrets.JUDGE0_ATD_API_KEY }}
+          RAPID_API_KEY: ${{ secrets.JUDGE0_RAPID_API_KEY }}
+          SULU_API_KEY: ${{ secrets.JUDGE0_SULU_API_KEY }}
         run: |
           pipenv run pytest -vv