[docs] Update links to Auth (#3393)

README.md

@@ -70,7 +70,7 @@ want to give back, please check out Ente Photos or spread the word.
 [<img height="42" src=".github/assets/app-store-badge.svg">](https://apps.apple.com/app/id6444121398)
 [<img height="42" src=".github/assets/play-store-badge.png">](https://play.google.com/store/apps/details?id=io.ente.auth)
 [<img height="42" src=".github/assets/f-droid-badge.png">](https://f-droid.org/packages/io.ente.auth/)
-[<img height="42" src=".github/assets/desktop-badge.png">](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v3)
+[<img height="42" src=".github/assets/desktop-badge.png">](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v4)
 [<img height="42" src=".github/assets/web-badge.svg">](https://auth.ente.io)
 
 </div>

auth/README.md

@@ -12,7 +12,7 @@ multi-device sync.
 ### Android
 
 This repository's [GitHub
-releases](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v3)
+releases](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v4)
 contains APKs, built straight from source. These builds keep themselves updated,
 without relying on third party stores.
 
@@ -33,7 +33,7 @@ You can alternatively install the build from PlayStore or F-Droid.
 
 ### Desktop
 
-You can [**download**](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v3)
+You can [**download**](https://github.com/ente-io/ente/releases?q=tag%3Aauth-v4)
 a native desktop app from this repository's GitHub releases. The desktop app
 works on Windows, Linux and macOS.