Bump gr2m/merge-schedule-action from 1.4.3 to 2.4.3

Bumps [gr2m/merge-schedule-action](https://github.com/gr2m/merge-schedule-action) from 1.4.3 to 2.4.3.
- [Release notes](https://github.com/gr2m/merge-schedule-action/releases)
- [Commits](gr2m/merge-schedule-action@2424cc9...b00191b)

---
updated-dependencies:
- dependency-name: gr2m/merge-schedule-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/merge-schedule.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: gr2m/merge-schedule-action@2424cc9572bad3a1feef5f63a61d5ee9d831e3f8 # v1.4.3
+      - uses: gr2m/merge-schedule-action@b00191bec092ae480b63bf466fb94b5474b71cdd # v2.4.3
         with:
           # Merge method to use. Possible values are merge, squash or
           # rebase. Default is merge.