{bp-15373} Documentation: add NuttX 12.8.0 Release notes

[jerpelea]

Summary

add NuttX 12.8.0 Release notes
add NuttX 12.7.0 Release notes

Impact

RELEASE

Testing

NONE

[nuttxpr]

[Experimental Bot, please feedback here]

No, this PR does not fully meet the NuttX requirements. While it mentions adding release notes, it lacks crucial details.

Here's why:

• Insufficient Summary: Simply stating "add release notes" isn't enough. The summary should explain what changes are included in those release notes (bug fixes, new features, etc.), which parts of NuttX are affected, and how these changes work.
• Vague Impact: Marking "RELEASE" under impact is too broad. It needs to specify the impact on users, the build process, hardware, documentation, security, and compatibility based on the changes listed in the release notes. For example, if a new feature is introduced, how will users use it? Does it require any configuration changes? Are any existing features deprecated?
• Missing Testing: "NONE" is unacceptable for a release. Release notes imply changes, and changes require testing. The PR needs to demonstrate that the documented changes work as intended. Even if the changes themselves weren't tested as part of this specific PR (because they were tested in previous PRs), the release notes should be tested for accuracy and completeness. At a minimum, the PR should confirm that the release notes accurately reflect the changes included in the release.

In short, the PR needs to elaborate significantly on what changes are being documented, how they impact NuttX, and provide evidence that the release notes themselves are accurate and complete.