build(deps): bump korthout/backport-action from 4.3.0 to 4.5.1

[dependabot]

Bumps korthout/backport-action from 4.3.0 to 4.5.1.

Release notes

Sourced from korthout/backport-action's releases.

Backport-action v4.5.1

What's Changed

Bug fix for [comment_style: summary drops conflict-resolution instructions #633](korthout/backport-action#633)

• Post resolve-conflicts comment on draft PR in summary mode by @​korthout in korthout/backport-action#634

Updated dependencies

• Update korthout/backport-action action to v4.5.0 by @​renovate[bot] in korthout/backport-action#627
• Lock file maintenance by @​renovate[bot] in korthout/backport-action#632

Maintenance changes

• Enable summary comment style for our own backport workflow by @​korthout in korthout/backport-action#628

Full Changelog: korthout/backport-action@v4.5.0...v4.5.1

Backport-action v4.5.0

What's Changed

This release introduces a new comment_style input with two options:

• legacy (default): one comment per target branch. This is the same behavior as you know from previous versions.
• summary: a single comment per workflow run that updates progressively as each target is processed. It links back to the workflow run, shows a status table for every target, and includes recovery hints for known failure modes (e.g. push permission denied, cherry-pick conflicts).

Here's what a summary comment looks like mid-run:

Backport-action is backporting this pull request in workflow run 15439584062.

Target	Status
stable/8.7	✅ Created #612
stable/8.6	⚠️ Drafted with conflicts #613
stable/8.5	❌ Failed
stable/8.4	➖ Skipped (PR already exists)
stable/8.3	⌛ Pending

Tried to cherry-pick commits onto stable/8.5, but the cherry-pick failed.

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin stable/8.5
git worktree add -d .worktree/stable/8.5 origin/stable/8.5
cd .worktree/stable/8.5
git switch --create <backport-branch-name>
git cherry-pick -x a1b2c3d e4f5g6h

Opt in by adding comment_style: summary to your workflow:

... (truncated)

Commits

• bf97bcf dist: release 4.5.1
• 5751715 dist: build new artifacts
• d7640ad Merge pull request #634 from korthout/summary-conflict-resolution-instructions
• 4da98db fix: post resolve-conflicts comment on draft PR in summary mode
• 0b636e5 refactor: extract draft-PR conflict comment helper
• 9ec6a2d test: cover draft-PR conflict comment in summary mode
• ce302ba Merge pull request #632 from korthout/renovate/lock-file-maintenance
• 5cc454f Lock file maintenance
• 2315a7c Merge pull request #628 from korthout/enable-summary-comment-style
• cdc3b59 ci: opt the backport workflow into summary comment style
• Additional commits viewable in compare view

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