fix(deps): update dependency @actions/github to v9

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@actions/github (source)	7.0.0 → 9.1.1

---

Release Notes

actions/toolkit (@​actions/github)

v9.1.1

• Bump undici from 6.23.0 to 6.24.0 #​2346

v9.1.0

• Append actions_orchestration_id to user-agent when the ACTIONS_ORCHESTRATION_ID environment variable is set #​2364

v9.0.0

• Breaking change: Package is now ESM-only
  • CommonJS consumers must use dynamic import() instead of require()
  • Example: const { getOctokit, context } = await import('@actions/github')
• Fix TypeScript compilation by migrating to ESM, enabling proper imports from @octokit/core/types

v8.0.1

• Update undici to 6.23.0
• Update @actions/http-client to 3.0.2

v8.0.0

• Update @​octokit dependencies
  • @octokit/core ^7.0.6
  • @octokit/plugin-paginate-rest ^14.0.0
  • @octokit/plugin-rest-endpoint-methods ^17.0.0
  • @octokit/request ^10.0.7
  • @octokit/request-error ^7.1.0
• Breaking change: Minimum Node.js version is now 20 (previously 18)

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.