chore: use chore/pnpm-setup branch for workflows

[mixplore]

Summary by CodeRabbit

• Chores
  • Updated release automation workflows to use a unified branch configuration for dependency management across release and pre-release pipelines.

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📝 Walkthrough

Walkthrough

The PR updates eight GitHub Actions workflow step references across two release pipeline files to use the chore/pnpm-setup branch instead of master, aligning action dependencies with a pnpm setup workflow variant.

Changes

Release Workflow Branch Updates

Layer / File(s)	Summary
Workflow Configuration .github/workflows/release-next.yml, .github/workflows/release.yml	Action references in check-version-bump, fast-forward, bump, git-tag-release, rebase, and SDK bump PR steps are updated from master to chore/pnpm-setup branch.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~5 minutes

Possibly related PRs

• NexusMutual/sdk#505: Implements pnpm setup workflow changes in the chore/pnpm-setup branch that this PR's workflow references now point to.

Suggested reviewers

• rackstar
• valentinludu
• MilGard91

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: updating workflow references to use the chore/pnpm-setup branch instead of master across multiple GitHub Actions workflows.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/update-release-actions

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch chore/update-release-actions

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.github/workflows/release.yml:
- Line 42: The release workflow is using mutable branch refs in several
reusable-workflow 'uses:' entries (e.g. "uses:
NexusMutual/workflows/.github/workflows/check-version-bump.yml@chore/pnpm-setup"
and the other similar 'uses:' refs present in this file), which must be pinned
to immutable 40-character commit SHAs; locate every 'uses:' line that ends with
a branch name (e.g. `@chore/pnpm-setup`) and replace the branch ref with the exact
40-char commit SHA from the NexusMutual/workflows repo for that commit, updating
each occurrence so all reusable workflow references are pinned to their
corresponding commit SHAs.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 43957dbb-a995-43ec-a538-cba751de8a0f

📥 Commits

Reviewing files that changed from the base of the PR and between 37a114a and a821e34.

📒 Files selected for processing (2)

• .github/workflows/release-next.yml
• .github/workflows/release.yml