Add a note regarding renaming `CI/CD minutes` to `compute credits`

What does this MR do and why?

Describe in detail what your merge request does and why.

CI/CD minutes is being renamed to compute credits. Adding a note to clarify references.

Slack thread: https://gitlab.slack.com/archives/C01HVERGVH6/p1679329813163489

Relates to: gitlab-com/Product#5218 (closed)

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

doc/ci/pipelines/cicd_minutes.md

@@ -8,7 +8,7 @@ type: reference
 # CI/CD minutes quota **(PREMIUM)**
 
 NOTE:
-`CI/CD minutes` is being renamed to `compute credits`. During this transition time you may see references to `CI minutes`, `CI/CD minutes` and `compute credits` point to this page.
+`CI/CD minutes` is being renamed to `compute credits`. During this transition, you might see references in the UI and documentation to `CI minutes`, `CI/CD minutes`, `pipeline minutes`, `CI pipeline minutes`, and `compute credits`. All of these terms refer to compute credits.
 
 Administrators can limit the amount of time that projects can use to run jobs on
 [shared runners](../runners/runners_scope.md#shared-runners) each month. This limit