chore(deps): update korthout/backport-action action to v4.6.0 (main) (#1080)

Author: renovate[bot]

.github/workflows/on_label.yml

@@ -35,7 +35,7 @@ jobs:
 
       - name: Create backport PR
         id: backport
-        uses: korthout/backport-action@66065406958f46e82238fd59546f5a99e69e22aa # v4.5.2
+        uses: korthout/backport-action@2e830a1d0b8269505846ddd407a70876913ad1f8 # v4.6.0
         with:
           merge_commits: "skip"
           add_author_as_assignee: true