require 'protoboeuf' doesn't work

[davebenvenuti]

From the project root:

bundle exec irb

irb(main):002> require 'protoboeuf'
/opt/rubies/3.3.4/lib/ruby/3.3.0/bundled_gems.rb:74:in `require': cannot load such file -- protoboeuf (LoadError)
        from /opt/rubies/3.3.4/lib/ruby/3.3.0/bundled_gems.rb:74:in `block (2 levels) in replace_require'
        from (irb):2:in `<main>'
        from <internal:kernel>:187:in `loop'
        from /Users/dave/.gem/ruby/3.3.4/gems/irb-1.14.3/exe/irb:9:in `<top (required)>'
        from /Users/dave/.gem/ruby/3.3.4/bin/irb:25:in `load'
        from /Users/dave/.gem/ruby/3.3.4/bin/irb:25:in `<top (required)>'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/cli/exec.rb:58:in `load'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/cli/exec.rb:58:in `kernel_load'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/cli/exec.rb:23:in `run'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/cli.rb:455:in `exec'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor/command.rb:28:in `run'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor.rb:527:in `dispatch'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/cli.rb:35:in `dispatch'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor/base.rb:584:in `start'
        from /Users/dave/.gem/ruby/3.3.4/gems/bundler-2.5.11/lib/bundler/cli.rb:29:in `start'