Release post item generator doesn't strip HTML comments
Problem to solve
The release post automation added by !56446 (merged) does not remove HTML comments from the markdown description. This results in manual clean up.
Further details
Proposal
Add documentation to inform users. Do not fix, but document that comments should be removed before applying the label.
This is better than alternatives like:
- failing silently if comments are detected (silent errors)
- modifying the description to remove comments (complex)