Inconsistent formatting of `Gathering Info...` sections of Decision Point reference pages

[ahouseholder]

Describe the bug

Many of the decision point pages have the "Gathering info..." section as a !!! tip callout. The following pages have it as a section heading.

https://certcc.github.io/SSVC/reference/decision_points/mission_impact/ https://certcc.github.io/SSVC/reference/decision_points/safety_impact/ https://certcc.github.io/SSVC/reference/decision_points/system_exposure/

To Reproduce Steps to reproduce the behavior:

1. Go to the links above
2. Observe that their "Gathering info..." section is a heading and not surrounded in a green tip box the way it is on Exploitation, for example

Expected behavior

We should be consistent with this. My preference is that it's a !!! tip to offset it from the rest of the page.

Screenshots

Compare:

[ahouseholder]

Any resolution to #723 should also resolve this issue.

[j---]

making them all tip offsets works for me. Sorry, this was probably my inconsistency at some point in the past.

[ahouseholder]

@sei-renae would any potential solution to #723 supersede this issue?

[sei-renae]

Resolving #723 could happen in a big PR that resolves this as well