Update github/codeql-action action to v3.26.8

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	Pending
github/codeql-action	action	patch	v3.26.6 -> v3.26.8	v3.26.9

---

Release Notes

github/codeql-action (github/codeql-action)

### [`v3.26.8`](https://redirect.github.com/github/codeql-action/compare/v3.26.7...v3.26.8) [Compare Source](https://redirect.github.com/github/codeql-action/compare/v3.26.7...v3.26.8) ### [`v3.26.7`](https://redirect.github.com/github/codeql-action/compare/v3.26.6...v3.26.7) [Compare Source](https://redirect.github.com/github/codeql-action/compare/v3.26.6...v3.26.7)

---

Configuration

📅 Schedule: Branch creation - " 0-4 * 3" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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.