Well, that got me past that portion, and on to this one:

SDKROOT= ./miniruby -I./lib -I. -I.ext/common  ./tool/runruby.rb --extout=.ext  -- --disable-gems -r./x86_64-darwin23-fake ./tool/rbinstall.rb --make="/Library/Developer/CommandLineTools/usr/bin/make" --dest-dir="" --extout=".ext" --ext-build-dir="./ext" --mflags="- --jobserver-fds=3,4 -j" --make-flags=" --jobserver-fds=3,4 -j" --data-mode=0644 --prog-mode=0755 --installed-list .installed.list --mantype="doc"  --gnumake --install=all --exclude=doc
Installing to 
installing binary commands:         /opt/puppetlabs/puppet/bin
installing base libraries:          /opt/puppetlabs/puppet/lib
installing arch files:              /opt/puppetlabs/puppet/lib/ruby/3.2.0/x86_64-darwin23
/private/var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn/ruby-3.2.8/lib/fileutils.rb:403:in `mkdir': Permission denied @ dir_s_mkdir - /opt/puppetlabs/puppet/lib/ruby/3.2.0/x86_64-darwin23 (Errno::EACCES)
	from /private/var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn/ruby-3.2.8/lib/fileutils.rb:403:in `fu_mkdir'
	from /private/var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn/ruby-3.2.8/lib/fileutils.rb:384:in `block (2 levels) in mkdir_p'
	from /private/var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn/ruby-3.2.8/lib/fileutils.rb:382:in `reverse_each'
	from /private/var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn/ruby-3.2.8/lib/fileutils.rb:382:in `block in mkdir_p'
	from /private/var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn/ruby-3.2.8/lib/fileutils.rb:374:in `each'
	from /private/var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn/ruby-3.2.8/lib/fileutils.rb:374:in `mkdir_p'
	from ./tool/rbinstall.rb:218:in `makedirs'
	from ./tool/rbinstall.rb:331:in `prepare'
	from ./tool/rbinstall.rb:403:in `block in <main>'
	from ./tool/rbinstall.rb:1101:in `block in <main>'
	from ./tool/rbinstall.rb:1098:in `each'
	from ./tool/rbinstall.rb:1098:in `<main>'
make[1]: *** [do-install-nodoc] Error 1
make: *** [ruby-3.2.8-install] Error 2
bundler: failed to load command: vanagon (/Users/runner/hostedtoolcache/Ruby/3.2.7/x64/lib/ruby/gems/3.2.0/bin/vanagon)
/Users/runner/hostedtoolcache/Ruby/3.2.7/x64/lib/ruby/gems/3.2.0/bundler/gems/vanagon-851132df2a28/lib/vanagon/utilities.rb:274:in `block in local_command': Local command ((export SOURCE_DATE_EPOCH=1753907518; cd /var/folders/xj/hsksvyhj0fq_2k4k7c0kvzyr00015h/T/tmp.Sih87e56tn; /usr/bin/make )) failed. (RuntimeError)