scala: switch to openjdk@21

Formula/s/scala.rb

@@ -1,9 +1,10 @@
 class Scala < Formula
  desc "JVM-based programming language"
  homepage "https://www.scala-lang.org/"
- url "https://github.com/lampepfl/dotty/releases/download/3.5.0/scala3-3.5.0.tar.gz"
+ url "https://github.com/scala/scala3/releases/download/3.5.0/scala3-3.5.0.tar.gz"
  sha256 "bacad178623f1940dae7d75c54c75aaf53f14f07ae99803be730a1d7d51a612d"
  license "Apache-2.0"
+ revision 1
 
  livecheck do
  url "https://www.scala-lang.org/download/"
@@ -14,7 +15,9 @@ class Scala < Formula
  sha256 cellar: :any_skip_relocation, all: "10318ae0301e9a1f7aebce892c512c20c1df2678a1df297568769ec80ae31fe7"
  end
 
- depends_on "openjdk"
+ # Switch back to `openjdk` when supported:
+ # https://docs.scala-lang.org/overviews/jdk-compatibility/overview.html
+ depends_on "openjdk@21"
 
  conflicts_with "pwntools", because: "both install `common` binaries"
 
@@ -24,7 +27,7 @@ def install
  libexec.install "maven2"
  libexec.install "VERSION"
  prefix.install "bin"
- bin.env_script_all_files libexec/"bin", Language::Java.overridable_java_home_env
+ bin.env_script_all_files libexec/"bin", Language::Java.overridable_java_home_env("21")
 
  # Set up an IntelliJ compatible symlink farm in 'idea'
  idea = prefix/"idea"