Fix Failing GitHub Actions

[ ] 👍 Sweep Did Well
[ ] 👎 Sweep Needs Improvement I created this PR to fix the failing GitHub Actions.## Description This PR addresses the issue of failing GitHub Actions in our repository. The changes focus on ensuring that our continuous integration (CI) processes are robust, efficient, and capable of catching errors early in the development process.

Changes include:

Reviewing and updating the GitHub Actions workflow configurations to ensure they are correctly set up for running tests, linting, and other CI checks.
Ensuring that all tests, including those in test_execute_code.py, are passing and cover expected behaviors.
Adding caching for dependencies in the workflow to improve run times.

Summary of Changes

Updated .github/workflows/ci.yml to include steps for linting, running tests, and caching dependencies.
Reviewed all test cases in autogpts/autogpt/tests/integration/test_execute_code.py to ensure they are comprehensive and cover all expected behaviors of the code execution functionality.
Added a new GitHub Actions workflow file at .github/workflows/ci.yml if it did not exist, with steps for setting up the environment, installing dependencies, running linting, and executing tests.

These changes should resolve the issue of failing GitHub Actions and improve the overall efficiency and reliability of our CI processes.