gh issue unpin {<number> | <url>} [flags]
Unpin an issue from a repository.
The issue can be specified by issue number or URL.
# Unpin issue from the current repository $ gh issue unpin 23 # Unpin issue by URL $ gh issue unpin https://github.com/owner/repo/issues/23 # Unpin an issue from specific repository $ gh issue unpin 23 --repo owner/repo