docs(readme): update backage url (LizardByte#3091)

README.md

@@ -3,7 +3,7 @@
 [![GitHub stars](https://img.shields.io/github/stars/lizardbyte/sunshine.svg?logo=github&style=for-the-badge)](https://github.com/LizardByte/Sunshine)
 [![GitHub Releases](https://img.shields.io/github/downloads/lizardbyte/sunshine/total.svg?style=for-the-badge&logo=github)](https://github.com/LizardByte/Sunshine/releases/latest)
 [![Docker](https://img.shields.io/docker/pulls/lizardbyte/sunshine.svg?style=for-the-badge&logo=docker)](https://hub.docker.com/r/lizardbyte/sunshine)
-[![GHCR](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fraw.githubusercontent.com%2Fipitio%2Fbackage%2Fmaster%2Findex%2FLizardByte%2FSunshine%2Fsunshine.json&query=%24.downloads&label=ghcr%20pulls&style=for-the-badge&logo=github)](https://github.com/LizardByte/Sunshine/pkgs/container/sunshine)
+[![GHCR](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fipitio.github.io%2Fbackage%2FLizardByte%2FSunshine%2Fsunshine.json&query=%24.downloads&label=ghcr%20pulls&style=for-the-badge&logo=github)](https://github.com/LizardByte/Sunshine/pkgs/container/sunshine)
 [![Winget Version](https://img.shields.io/badge/dynamic/json.svg?color=orange&label=Winget&style=for-the-badge&prefix=v&query=$[-1:].name&url=https%3A%2F%2Fapi.github.com%2Frepos%2Fmicrosoft%2Fwinget-pkgs%2Fcontents%2Fmanifests%2Fl%2FLizardByte%2FSunshine&logo=microsoft)](https://github.com/microsoft/winget-pkgs/tree/master/manifests/l/LizardByte/Sunshine)
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