Update bundler requirement from ~> 1.16 to ~> 2.3

[dependabot]

Updates the requirements on bundler to permit the latest version.

Release notes

Sourced from bundler's releases.

bundler-v2.3.0

Features:

• Change bundle install with a lockfile to respect the BUNDLED WITH bundler version #4076

Enhancements:

• Print warning when running Bundler on potentially problematic RubyGems & Ruby combinations #5177
• Error tracing should be printed to stderr #5179
• Add github and ref options to bundle add #5159
• Add require parameter to bundle add #5021
• Enable parallel installation on Windows by default #4822
• More logging when compact index is not used and we fallback to other APIs #4546
• bundle gem generated MiniTest file and class now start with 'test' #3893
• Add Bundler::Definition.no_lock accessor for skipping lock file creation/update #3401

Bug fixes:

• Fix crash when when no platform specific matches exist and show a proper error #5168
• Ignore dependencies not actually locked from frozen check #5152
• Fix bundle cache --all-platforms on Windows #4552

Documentation:

• Fix gemspec template typo #4545

Changelog

Sourced from bundler's changelog.

2.3.0 (December 21, 2021)

Features:

• Change bundle install with a lockfile to respect the BUNDLED WITH bundler version #4076

Enhancements:

• Print warning when running Bundler on potentially problematic RubyGems & Ruby combinations #5177
• Error tracing should be printed to stderr #5179
• Add github and ref options to bundle add #5159
• Add require parameter to bundle add #5021
• Enable parallel installation on Windows by default #4822
• More logging when compact index is not used and we fallback to other APIs #4546
• bundle gem generated MiniTest file and class now start with 'test' #3893
• Add Bundler::Definition.no_lock accessor for skipping lock file creation/update #3401

Bug fixes:

• Fix crash when when no platform specific matches exist and show a proper error #5168
• Ignore dependencies not actually locked from frozen check #5152
• Fix bundle cache --all-platforms on Windows #4552

Documentation:

• Fix gemspec template typo #4545

2.2.33 (December 7, 2021)

Security fixes:

• Pass "--" to git commands to separate positional and optional args #5142

Enhancements:

• Accept pull request URLs as github source #5126
• Add --version parameter to bundle info command #5137
• Let original Errno::EACCES error be raised in compact index updater #5110
• Improve gemfile-lockfile source equivalence errors #5120
• Avoid float-to-string loss of characters in GitHub Actions configuration labels in new gem template #5089
• Add an initial rbs template to bundle gem skeleton #5041
• Avoid shared libraries not getting environment passed right after argv in memory when bundle exec is used #4815

Bug fixes:

• Don't cleanup paths from gems already activated from $LOAD_PATH #5111
• Fix handling prereleases of 0 versions, like 0.0.0.dev or 0.0.0.SNAPSHOT #5116
• Fix escape of filenames in bundle doctor #5102
• Don't unlock dependencies when running bundle install after changing global source #5090
• Fix missing locked specs when depended on another platform #5092

... (truncated)

Commits

• e7167b9 Merge pull request #5185 from rubygems/release/bundler_2.3.0_rubygems_3.3.0
• 3ae13e7 Use new stable branch in CI scripts
• e1dcefe Bump Rubygems version to 3.3.0
• 2003cbc Changelog for Rubygems version 3.3.0
• a6889b2 Bump Bundler version to 2.3.0
• 7565ed7 Changelog for Bundler version 2.3.0
• 082a0ed Merge pull request #5188 from rubygems/clarify_release_level_naming
• 0743b5a Merge pull request #5177 from rubygems/old_rubies_warnings
• 204670a Clarify release level naming in scripts
• d6df0b7 Print warning when running potentially problematic rubygems + ruby combinations
• Additional commits viewable in compare view

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