Update dependencies

[burisu]

No description provided.

[Copilot]

Pull request overview

Updates project tooling to accommodate newer Ruby/Capistrano behavior and refresh CI configuration.

Changes:

• Configure the Minitest rake task to suppress Ruby warnings during test runs.
• Adjust how systemd commands are passed to backend.sudo in the Capistrano plugin.
• Update GitHub Actions CI matrix and the checkout action version.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
Rakefile	Disables warnings for the Minitest task to reduce noisy output under newer Rubies.
lib/capistrano/solid_queue.rb	Tweaks sudo command construction for systemctl execution.
.github/workflows/main.yml	Expands Ruby matrix and updates the checkout action version.

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