Add CodeQL configuration

[stacklok-cloud[bot]]

This is a Minder automated pull request.

This pull request adds a CodeQL workflow to the repository.

For more information, see https://docs.github.com/en/code-security/secure-coding/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning

[linux-foundation-easycla[bot]]

• :x: - login: @minder-by-stacklok[bot] . The commit (fab7730b36c012417d960792b1c772617144d45d) is not authorized under a signed CLA. Please click here to be authorized. For further assistance with EasyCLA, please submit a support request ticket.

[ewanharris]

We are already running codeql scans in this repository so closing