Update require_all requirement from ~> 2 to >= 2, < 4

Created by: dependabot[bot]

Updates the requirements on require_all to permit the latest version.

Changelog

Sourced from require_all's changelog.

3.0.0:

• Merged PR #29 (jarmo/require_all#29) Respect inflections defined by ActiveSupport when autoloading.

  Thanks to James Le Cuirot (@​chewi)

Commits

• dbd7438 Fix gemspec
• adeee05 Update CHANGES and bump version to 3.0.0
• 83d9c16 Merge branch 'yakara-ltd-active_support'
• e228014 Respect inflections defined by ActiveSupport when autoloading
• 7acaa63 Update and rename CHANGES to CHANGES.md (#25)
• See full diff in compare view

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