Update clipboard requirement from ~> 1.1, >= 1.1.0 to >= 1.1, < 3.0

[dependabot]

Updates the requirements on clipboard to permit the latest version.

Changelog

Sourced from clipboard's changelog.

2.0.0

Major Changes

• Requires Ruby 3.0
• Clipboard.copy and .clear now always return true instead of the pasted string

New Features

• Add experimental OSC52 implementation (only Clipboard.copy)
• Linux-based Clipboard.copy methods now take a clipboard argument clipboard: to choose which clipboard to copy to (default is "all"). For example: Clipboard.copy("data", clipboard: "primary") copies only to primary clipboard
• Linux-based Clipboard.paste methods use either the clipboard: keyword argument or the single positional argument for choosing the clipboard to paste from
• Allow setting the clipboard implementation with snake-cased symbol/string: Clipboard.implementation = :linux_wayland

Refactorings / Minor API Changes

• Change copy, paste, and clear to always accept keyword arguments
• All implementations are now based on Clipboard::Implementation
• Move implementation detection to utils.rb
• Be sure to pass a valid lowercase clipboard selection name (or "all") when choosing clipboards, it will now raise an ArgumentError if the clipboard name is not supported by the implementation

Other

• Add more specs and run them on GitHub Actions CI

Commits

• 6717715 Release v2.0.0
• ffe590f Improve specs
• 7bb398f Improve CHANGELOG and README and some other details
• 35464e4 Allow clipboard: keyword argument for paste + validate selection name
• 276f41a Update LinuxWayland to latest conventions
• 2734b5c RuboCop
• e564a98 Streamline clipboard selection code + allow copying to specific clipboard
• ded4035 Working on OSC52
• 6757d6c Gemspec updates
• 9ba81b6 Change camel case test so that it runs on non-wayland
• Additional commits viewable in compare view

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