fix(deps): update dependency telethon to ^1.26.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Telethon	^1.26.0 -> ^1.26.1

---

Release Notes

LonamiWebs/Telethon

### [`v1.26.1`](https://togithub.com/LonamiWebs/Telethon/compare/v1.26.0...v1.26.1) [Compare Source](https://togithub.com/LonamiWebs/Telethon/compare/v1.26.0...v1.26.1)

---

Configuration

📅 Schedule: Branch creation - "every weekend" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, 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 has been generated by Mend Renovate. View repository job log here.