Fix #10378: Update staging dependency

Author: nicolasstucki

docs/docs/reference/metaprogramming/staging.md

@@ -84,7 +84,7 @@ It will create a project with the necessary dependencies and some examples.
 In case you prefer to create the project on your own, make sure to define the following dependency in your build.sbt
 
 ```scala
-libraryDependencies += "ch.epfl.lamp" %% "dotty-staging" % scalaVersion.value
+libraryDependencies += "ch.epfl.lamp" %% "scala3-staging" % scalaVersion.value
 ```
 
 and in case you use `scalac`/`scala` directly, then use the `-with-compiler` flag for both: