Portable Ruby 4.0.4

[p-linnane]

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[Copilot]

Pull request overview

This PR bumps Homebrew’s vendored Portable Ruby to 4.0.4 and updates the associated checksums and Bundler version so the bootstrap/runtime Ruby toolchain remains consistent across platforms.

Changes:

• Update Portable Ruby version to 4.0.4 and refresh platform-specific SHA256 values.
• Bump the pinned Bundler version to 4.0.10 and align Gemfile.lock/.ruby-version with Ruby 4.0.4.

Reviewed changes

Copilot reviewed 2 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
Library/Homebrew/vendor/portable-ruby-x86_64-linux	Update Portable Ruby bottle SHA for x86_64 Linux.
Library/Homebrew/vendor/portable-ruby-x86_64-darwin	Update Portable Ruby bottle SHA for x86_64 macOS (catalina tag).
Library/Homebrew/vendor/portable-ruby-version	Bump vendored Portable Ruby version to 4.0.4.
Library/Homebrew/vendor/portable-ruby-arm64-linux	Update Portable Ruby bottle SHA for arm64 Linux.
Library/Homebrew/vendor/portable-ruby-arm64-darwin	Update Portable Ruby bottle SHA for arm64 macOS (big_sur tag).
Library/Homebrew/utils/ruby.sh	Bump HOMEBREW_BUNDLER_VERSION to 4.0.10.
Library/Homebrew/Gemfile.lock	Update locked Ruby version to 4.0.4 and Bundler to 4.0.10.
Library/Homebrew/.ruby-version	Align development Ruby version with 4.0.4.

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[MikeMcQuaid]

Looks good when 🟢

[p-linnane]

Upstream ISeq fix: ruby/ruby#16805