Update favicon

Author: Tyrrrz

Readme.md

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 > 🟡 **Project status**: maintenance mode<sup>[[?]](https://github.com/Tyrrrz/.github/blob/master/docs/project-status.md)</sup>
 
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 **Onova** is a lightweight auto-update framework for desktop applications.
 It's primarily designed for performing in-place updates for portable applications distributed via archive files (as opposed to installers or packages).
 The library requires minimal configuration, doesn't impose any changes to the CI/CD process, and doesn't affect the life cycle of your application.
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 ## Etymology
 
-The name "Onova" is derived from the Ukrainian word for "update" (noun).
+The name "Onova" is derived from the Ukrainian word for "update" (noun).