Determine the homebrew openssl version based on the ruby version (closes

 #474).

* Ruby <= 3.0 requires openssl 1.1.
* Ruby >= 3.1.0 requires openssl 3.0.
* Removed `[email protected]` from `dependencies.txt` in favor of using
  `install_optional_deps` to install the variable openssl version.

share/ruby-install/ruby/dependencies.txt

@@ -2,7 +2,7 @@ apt: xz-utils build-essential bison zlib1g-dev libyaml-dev libssl-dev libgdbm-de
 dnf: xz gcc automake bison zlib-devel libyaml-devel openssl-devel gdbm-devel readline-devel ncurses-devel libffi-devel
 yum: xz gcc automake bison zlib-devel libyaml-devel openssl-devel gdbm-devel readline-devel ncurses-devel libffi-devel
 port: automake bison openssl readline libyaml gdbm libffi
-brew: automake bison [email protected] readline libyaml gdbm libffi
+brew: automake bison readline libyaml gdbm libffi
 pacman: xz gcc make bison zlib ncurses openssl readline libyaml gdbm libffi
 zypper: xz gcc make automake zlib-devel libyaml-devel libopenssl-devel gdbm-devel readline-devel ncurses-devel libffi-devel
 pkg: openssl readline libyaml gdbm libffi

share/ruby-install/ruby/functions.sh

@@ -13,6 +13,24 @@ ruby_dir_name="ruby-$ruby_version"
 ruby_mirror="${ruby_mirror:-https://cache.ruby-lang.org/pub/ruby}"
 ruby_url="${ruby_url:-$ruby_mirror/$ruby_version_family/$ruby_archive}"
 
+if [[ "$package_manager" == "brew" ]]; then
+	case "$ruby_version_family" in
+		2.*|3.0)	openssl_version="1.1" ;;
+		*)		openssl_version="3.0" ;;
+	esac
+fi
+
+#
+# Install [email protected] or [email protected] depending on the Ruby version,
+# only for homebrew.
+#
+function install_optional_deps()
+{
+	if [[ "$package_manager" == "brew" ]]; then
+		install_packages "openssl@${openssl_version}"
+	fi
+}
+
 #
 # Configures Ruby.
 #
@@ -30,7 +48,8 @@ function configure_ruby()
 	case "$package_manager" in
 		brew)
 			opt_dir="$(brew --prefix readline):$(brew --prefix libyaml):$(brew --prefix gdbm)"
-			openssl_dir="$(brew --prefix [email protected])"
+
+			openssl_dir="$(brew --prefix "openssl@$openssl_version")"
 			;;
 		port)
 			opt_dir="/opt/local"