fix(deps): update dependency telethon to ^1.25.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Telethon	^1.25.2 -> ^1.25.4

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Release Notes

LonamiWebs/Telethon

### [`v1.25.4`](https://togithub.com/LonamiWebs/Telethon/compare/v1.25.3...v1.25.4) [Compare Source](https://togithub.com/LonamiWebs/Telethon/compare/v1.25.3...v1.25.4) ### [`v1.25.3`](https://togithub.com/LonamiWebs/Telethon/compare/v1.25.2...v1.25.3) [Compare Source](https://togithub.com/LonamiWebs/Telethon/compare/v1.25.2...v1.25.3)

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