Fix installing bundler gem for errands on Ruby 3.3

[sethboyles]

Thanks for contributing to the capi_release. To speed up the process of reviewing your pull request please provide us with:

• A short explanation of the proposed change:

• An explanation of the use cases your change solves

• Links to any other associated PRs

• I have viewed signed and have submitted the Contributor License Agreement

• I have made this pull request to the develop branch

• I have run CF Acceptance Tests on bosh lite

[sethboyles]

I was getting this error without this:

Stdout     Performing blobstore benchmarks (mode: fog)
           Performing blobstore benchmarks (mode: fog)
           Defaulting to user installation because default installation directory (/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/gems/3.3.0) is not writable.

Stderr     ERROR:  While executing gem ... (Gem::FilePermissionError)
               You don't have write permissions for the /var/vcap/data/blobstore_benchmark/.local directory.
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/installer.rb:340:in `rescue in install'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/installer.rb:289:in `install'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/resolver/specification.rb:105:in `install'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/request_set.rb:195:in `block in install'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/request_set.rb:183:in `each'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/request_set.rb:183:in `install'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/commands/install_command.rb:207:in `install_gem'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/commands/install_command.rb:223:in `block in install_gems'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/commands/install_command.rb:216:in `each'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/commands/install_command.rb:216:in `install_gems'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/commands/install_command.rb:162:in `execute'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/command.rb:326:in `invoke_with_build_args'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/command_manager.rb:253:in `invoke_command'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/command_manager.rb:194:in `process_args'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/command_manager.rb:152:in `run'
           	/var/vcap/data/packages/ruby-3.3/e8b9dbbd458fc49cf8484cf34212380a1cf8f799/lib/ruby/site_ruby/3.3.0/rubygems/gem_runner.rb:57:in `run'