Bundler 2.3.22 is running, but your lockfile was generated with 2.3.15. Installing Bundler 2.3.15 and restarting using that version.
<internal:/usr/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require': cannot load such file -- io/wait (LoadError)
	from <internal:/usr/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
	from /usr/lib/ruby/3.0.0/socket.rb:4:in `<top (required)>'
	from <internal:/usr/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
	from <internal:/usr/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/mirror.rb:3:in `<top (required)>'
	from <internal:/usr/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
	from <internal:/usr/lib/ruby/3.0.0/rubygems/core_ext/kernel_require.rb>:85:in `require'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/settings.rb:171:in `gem_mirrors'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/settings.rb:163:in `mirror_for'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems/remote.rb:11:in `initialize'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems.rb:289:in `new'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems.rb:289:in `block in fetchers'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems.rb:288:in `map'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems.rb:288:in `fetchers'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems.rb:434:in `block in remote_specs'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/index.rb:9:in `build'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems.rb:433:in `remote_specs'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/source/rubygems.rb:131:in `specs'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/self_manager.rb:117:in `remote_specs'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/self_manager.rb:125:in `find_latest_matching_spec'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/self_manager.rb:44:in `install_and_restart_with'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/self_manager.rb:22:in `install_locked_bundler_and_restart_with_it_if_needed'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/cli/install.rb:15:in `run'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/cli.rb:257:in `block in install'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/settings.rb:131:in `temporary'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/cli.rb:256:in `install'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/vendor/thor/lib/thor.rb:392:in `dispatch'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/cli.rb:31:in `dispatch'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/vendor/thor/lib/thor/base.rb:485:in `start'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/cli.rb:25:in `start'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/exe/bundle:48:in `block in <top (required)>'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/lib/bundler/friendly_errors.rb:120:in `with_friendly_errors'
	from /usr/lib/ruby/gems/3.0.0/gems/bundler-2.3.22/exe/bundle:36:in `<top (required)>'
	from /usr/bin/bundle:25:in `load'
	from /usr/bin/bundle:25:in `<main>'