fix(deps): update dependency telethon to ^1.26.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Telethon	^1.25.4 -> ^1.26.0

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Release Notes

LonamiWebs/Telethon

### [`v1.26.0`](https://togithub.com/LonamiWebs/Telethon/compare/v1.25.4...v1.26.0) [Compare Source](https://togithub.com/LonamiWebs/Telethon/compare/v1.25.4...v1.26.0)

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