build(deps): bump zeitwerk from 2.6.1 to 2.6.4

[dependabot[bot]]

Bumps zeitwerk from 2.6.1 to 2.6.4.

Changelog

Sourced from zeitwerk's changelog.

2.6.4 (1 November 2022)

Ruby does not have gem-level visibility, so sometimes you need things to be public for them to be accessible internally. But they do not belong to the public interface of the gem.

A method that is undocumented and marked as @private in the source code is clearly private API, regardless of its formal Ruby visibility.

This release starts a series of gradual patches in which private interface is enforced with stricter formal visibility.

2.6.3 (31 October 2022)

• v2.6.2 introduced a regression in the logic that checks whether two loaders want to manage the same root directories. It has been fixed.

2.6.2 (31 October 2022)

• Zeitwerk::Loader#load_file allows you to load an individual Ruby file. Check its documentation for details.

• Zeitwerk::Loader#eager_load_dir allows you to eager load a directory, recursively. Check its documentation for details.

• Zeitwerk::Loader#eager_load_namespace allows you to eager a namespace, recursively. Namespaces are global, this method loads only what the receiver manages from that namespace, if anything. Check its documentation for details.

• Zeitwerk::Loader.eager_load_namespace broadcasts eager_load_namespace to all registered loaders. Check its documentation for details.

• Documents shadowed files. They always existed, but were not covered by the documentation.

• Other assorted documentation improvements.

Commits

• 434ad01 Ready for 2.6.4
• ccadc0f Use each_key to iterate over hash keys
• af1d6ac Make private root_dirs internal and rename to roots
• eb020fd Mark private config-related methods individually
• ca6ced2 Reorder public config interface
• b7b6f55 Make private on_unload_callbacks Ruby private
• 4d77a77 Make private on_load_callbacks Ruby private
• 4f438f1 Make private on_setup_callbacks Ruby private
• 2322c35 Make private eager_load_exclusions Ruby private
• 0bc567c Make private collapse_dirs Ruby private
• Additional commits viewable in compare view

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