Merge pull request #1437 from 7rulnik/main

Replace DANGER_MANUAL_PR with DANGER_MANUAL_PR_NUM in changelog

Author: orta

CHANGELOG.md

@@ -234,7 +234,7 @@ Reverts a change for GitHub Actions which was likely causing duplicate comments
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       DANGER_MANUAL_CI: true
       DANGER_MANUAL_GH_REPO: ${{ steps.pr_info.outputs.repo }}
-      DANGER_MANUAL_PR: ${{ steps.pr_info.outputs.number }}
+      DANGER_MANUAL_PR_NUM: ${{ steps.pr_info.outputs.number }}
   ```
   Which looks more intentional instead of: `DANGER_FAKE_CI` etc. [@orta]