build(deps): bump the ci group with 1 update

Bumps the ci group with 1 update: [korthout/backport-action](https://github.com/korthout/backport-action).


Updates `korthout/backport-action` from 2.4.0 to 2.4.1
- [Release notes](https://github.com/korthout/backport-action/releases)
- [Commits](korthout/backport-action@79b9f24...e8161d6)

---
updated-dependencies:
- dependency-name: korthout/backport-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ci
...

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

.github/workflows/backport.yaml

@@ -20,7 +20,7 @@ jobs:
  with:
  ref: ${{ github.event.pull_request.head.sha }}
  - name: Create backport PRs
- uses: korthout/backport-action@79b9f245a4132c5bf4bca01c7526cfea24059c03 # v2.4.0
+ uses: korthout/backport-action@e8161d6a0dbfa2651b7daa76cbb75bc7c925bbf3 # v2.4.1
  # xref: https://github.com/korthout/backport-action#inputs
  with:
  # Use token to allow workflows to be triggered for the created PR