Rename package name to truffleruby-dev for consistency with the definition filename

Author: eregon

share/ruby-build/truffleruby-dev

@@ -1,16 +1,16 @@
 platform="$(uname -s)-$(uname -m)"
 case $platform in
 Linux-x86_64)
-  install_package "truffleruby-head" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-ubuntu-24.04.tar.gz" truffleruby
+  install_package "truffleruby-dev" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-ubuntu-24.04.tar.gz" truffleruby
   ;;
 Linux-aarch64)
-  install_package "truffleruby-head" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-ubuntu-24.04-arm64.tar.gz" truffleruby
+  install_package "truffleruby-dev" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-ubuntu-24.04-arm64.tar.gz" truffleruby
   ;;
 Darwin-x86_64)
-  install_package "truffleruby-head" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-macos-latest.tar.gz" truffleruby
+  install_package "truffleruby-dev" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-macos-latest.tar.gz" truffleruby
   ;;
 Darwin-arm64)
-  install_package "truffleruby-head" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-macos-13-arm64.tar.gz" truffleruby
+  install_package "truffleruby-dev" "https://github.com/ruby/truffleruby-dev-builder/releases/latest/download/truffleruby-head-macos-13-arm64.tar.gz" truffleruby
   ;;
 *)
   colorize 1 "Unsupported platform: $platform"