chore(docs): gen-docs for mr list
Description
The API and the client-go SDK support the created-before and created-after fields to narrow down the search. Added that to the cli.
- chore(docs): gen-docs for mr list
Related Issues
Related - #8124
How has this been tested?
# Get an MR created after the 10th of January
./bin/glab mr list --created-after=2026-01-10T01:01:01Z --per-page=1