Updating external_controls.md to clarify computing HMAC-SHA256 signature
What does this MR do and why?
References
- #583994
- https://docs.gitlab.com/api/external_controls/
- https://gitlab.com/gitlab-org/gitlab/-/blob/master/doc/api/external_controls.md?ref_type=heads&plain=1
Screenshots or screen recordings
| Before | After |
|---|---|
How to set up and validate locally
MR acceptance checklist
Evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Closes #583994