Use ruby/setup-ruby for macOS baseruby

Author: Eblo

.github/workflows/autobuild.yml

@@ -143,6 +143,10 @@ jobs:
         with:
           length: 7
 
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+
       - name: Remove pre-existing homebrew packages
         run: brew remove --force $(brew list)
 

macos/Dependencies/common.make

@@ -52,7 +52,7 @@ RUBY_CONFIGURE_ARGS := \
 	--disable-rubygems \
 	--disable-install-doc \
 	--build=$(RBUILD) \
-	--with-baseruby=/usr/local/opt/ruby/bin/ruby \
+	--with-baseruby=$(which ruby) \
 	--with-coroutine=ucontext \
 	${EXTRA_RUBY_CONFIG_ARGS}