Refactor AICodeBot CLI testing and configuration

In an effort to streamline the process and improve the efficiency of our code, the CLI testing and configuration in `aicodebot_action.py` have been refactored. The CLI testing has been moved to an earlier stage in the script, ensuring that it is executed before the code review process begins. Additionally, the configuration of the aicodebot has been updated to use the OPENAI_API_KEY. This change should enhance the overall performance and reliability of the AICodeBot.

aicodebot_action.py

@@ -26,14 +26,18 @@
 # Set up the git configuration. Allow the user to override the safe directory
 subprocess.run(["git", "config", "--global", "--add", "safe.directory", "/github/workspace"])
 
+# Test the CLI
+cli_runner = CliRunner()
+result = cli_runner.invoke(cli, ["-V"])
+print("AICodeBot version:", result.output)
+assert result.exit_code == 0
+
 # ---------------------------------------------------------------------------- #
 # Run the code review #
 # ---------------------------------------------------------------------------- #
 
 # Set up the aicodebot configuration from the OPENAI_API_KEY
-cli_runner = CliRunner()
-result = cli_runner.invoke(cli, ["-V"])
-print("AICodeBot version:", result.output)
+result = cli_runner.invoke(cli, ["configure", "--openai-api-key", openai_api_key])
 assert result.exit_code == 0
 
 # Run a code review on the current commit