Fix #29166 Add support for the following activity types of `pull_request` - assigned - unassigned - review_requested - review_request_removed - milestoned - demilestoned (cherry picked from commit 1a6e1cbada27db1e3327b0d7d331492c95e24759)
Fix #29166 Add support for the following activity types of `pull_request` - assigned - unassigned - review_requested - review_request_removed - milestoned - demilestoned (cherry picked from commit 1a6e1cbada27db1e3327b0d7d331492c95e24759)