Remove pull_request types from on, simplify if

Signed-off-by: btofel <btofel@redhat.com>

.github/workflows/unit.yml

@@ -4,17 +4,16 @@ env:
 on:
  push:
  branches:
- - master # Triggers the workflow on commits pushed to master, including merges.
+ - master
  pull_request:
-  types: [opened, synchronize, reopened] # Triggers the workflow on new, updated, or reopened PRs.
- workflow_dispatch: # Allows the workflow to be manually triggered.
+ workflow_dispatch:
+ merge_group:
  issue_comment:
- types: [created] # Triggers the workflow when a comment is created.
+ types: [created] # Triggers the workflow when a comment is created. see `if` section
 jobs:
  unit:
  if: >-
- github.event_name == 'pull_request' || 
- (github.event_name == 'issue_comment' && startsWith(github.event.comment.body, '/retest unit'))
+ github.event_name != 'issue_comment' || startsWith(github.event.comment.body, '/retest unit')
  runs-on: ubuntu-latest
  steps:
  - uses: actions/checkout@v3