I'm trying to release a new version of extlib, but am getting:

[riehecky@testify puppet-extlib]$ bundle exec rake release
rake aborted!
Don't know how to build task 'release' (See the list of available tasks with `rake --tasks`)
/tmp/foo/puppet-extlib/.vendor/bundle/ruby/3.3.0/gems/rake-13.4.2/exe/rake:27:in `<top (required)>'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/cli/exec.rb:58:in `load'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/cli/exec.rb:58:in `kernel_load'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/cli/exec.rb:23:in `run'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/cli.rb:455:in `exec'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/vendor/thor/lib/thor/command.rb:28:in `run'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/vendor/thor/lib/thor.rb:527:in `dispatch'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/cli.rb:35:in `dispatch'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/vendor/thor/lib/thor/base.rb:584:in `start'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/cli.rb:29:in `start'
/usr/share/gems/gems/bundler-2.5.22/exe/bundle:28:in `block in <top (required)>'
/usr/share/gems/gems/bundler-2.5.22/lib/bundler/friendly_errors.rb:117:in `with_friendly_errors'
/usr/share/gems/gems/bundler-2.5.22/exe/bundle:20:in `<top (required)>'
/usr/bin/bundle:25:in `load'
/usr/bin/bundle:25:in `<main>'
(See full trace by running task with --trace)
[riehecky@testify puppet-extlib]$ rake --tasks
-bash: rake: command not found
[riehecky@testify puppet-extlib]$ bundle exec rake --tasks
rake check                                                                      # Run static pre release ...
rake check:dot_underscore                                                       # Fails if any ._ files a...
rake check:git_ignore                                                           # Fails if directories co...
rake check:misplaced_files                                                      # Check that no misplaced...
rake check:test_file                                                            # Fails if .pp files pres...
rake check:trailing_whitespace                                                  # Check for trailing whit...
rake check:utf8                                                                 # Check that all module c...
rake fixtures:clean                                                             # Clean up the fixtures d...
rake fixtures:prep                                                              # Create the fixtures dir...
rake lint                                                                       # Run puppet-lint
rake lint_fix                                                                   # Run puppet-lint
rake metadata_lint                                                              # Run metadata-json-lint
rake parallel_spec                                                              # Run spec tests in paral...
rake parallel_spec:standalone                                                   # Parallel spec tests
rake rubocop                                                                    # Run RuboCop
rake rubocop:autocorrect                                                        # Autocorrect RuboCop off...
rake rubocop:autocorrect_all                                                    # Autocorrect RuboCop off...
rake spec                                                                       # Run spec tests and clea...
rake spec:standalone                                                            # Run RSpec code examples
rake strings:generate[patterns,debug,backtrace,markup,json,markdown,yard_args]  # Generate Puppet documen...
rake strings:generate:reference[patterns,debug,backtrace]                       # Generate Puppet Referen...
rake strings:gh_pages:update                                                    # Update docs on the gh-p...
rake strings:validate:reference[patterns,debug,backtrace]                       # Validate the reference ...
rake syntax                                                                     # Syntax check for Puppet...
rake syntax:hiera                                                               # Syntax check Hiera conf...
rake syntax:manifests                                                           # Syntax check Puppet man...
rake syntax:templates                                                           # Syntax check Puppet tem...
rake test                                                                       # Runs all necessary chec...
rake test_with_coveralls                                                        # Run main 'test' task an...
rake validate                                                                   # Check syntax of Ruby fi...
rake validate:ruby                                                              # Validate all .rb files
rake validate:strings                                                           # validate REFERENCE.md i...
[riehecky@testify puppet-extlib]$

Is https://voxpupuli.org/docs/releasing_version/ out of date?