Fix GitHub Actions and Test Skipping Issue

[ ] 👍 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 and potential skipping of crucial tests in the CI environment. The changes include:

Explicit Dependency Declaration: Removed dynamic dependency installation from cli.py and added a requirements.txt file for explicit dependency declaration.
Test Skipping in CI: Reviewed the use of skip_in_ci decorator in tests and ensured that no crucial tests are being skipped in the CI environment.
GitHub Actions Workflow: Created a new GitHub Actions workflow file .github/workflows/autogpt_ci.yml that sets up Python, installs dependencies from requirements.txt, and runs the full test suite.

Summary of Changes

Removed dynamic dependency installation in cli.py.
Created requirements.txt at the root of the repository.
Reviewed and adjusted the use of skip_in_ci decorator in tests within autogpts/autogpt/tests/.
Created a new GitHub Actions workflow file .github/workflows/autogpt_ci.yml.

These changes should fix the failing GitHub Actions and ensure that all necessary tests are executed in the CI environment.