fix: use Hyper Gonk GitHub App for CI permissions

[paulbalaji]

Summary

This PR migrates several workflows to use the Hyper Gonk GitHub App token instead of GITHUB_TOKEN or personal access tokens. This fixes CI not triggering on PRs/commits created by automated workflows.

Workflows Updated

Workflow	Previous Token	Change
release.yml	GITHUB_TOKEN	Use Hyper Gonk for changesets action
combine.yml	COMBINE_CI_TOKEN (PAT)	Use Hyper Gonk for checkout
update-hyperlane-deps.yml	GITHUB_TOKEN	Use Hyper Gonk for checkout and PR creation

Why This Change?

GitHub's security model prevents GITHUB_TOKEN from triggering workflows to avoid infinite loops. This means:

• Release PRs created by changesets didn't trigger CI
• Commits pushed by combine workflow didn't trigger CI
• PRs created by update-hyperlane-deps didn't trigger CI

Using a GitHub App token (Hyper Gonk) allows CI to run on these automated PRs/commits.

Prerequisites

The following secrets must be configured in the repository:

• HYPER_GONK_APP_ID
• HYPER_GONK_PRIVATE_KEY

Related

• Monorepo PR: fix: use hyper-gonk bot for release PRs hyperlane-monorepo#7472

[changeset-bot]

⚠️ No Changeset found

Latest commit: a678633

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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📥 Commits

Reviewing files that changed from the base of the PR and between f1d913b and a678633.

📒 Files selected for processing (3)

• .github/workflows/combine.yml (1 hunks)
• .github/workflows/release.yml (2 hunks)
• .github/workflows/update-hyperlane-deps.yml (2 hunks)

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch pbio/hyper-gonk-ci-permissions

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