Bump lg-onscreen-control.rb to 5.98

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Release notes from

[Mac OS] OnScreen Control - version 5.98
OnScreen Control is an application used to manage a single monitor or a group of monitor with useful features such as Monitor Control, My Display Presets and Screen Split. OnScreen Control displays all connected LG monitor information. This software is compatible with LG monitors only.

Note:
- OnScreen Control can support up to 4 monitors.
- Depending on the connected monitor, supported menu may vary.

Version : 5.98

Supported OS : macOS 12, macOS 13

*Note: The Monitor Software Update feature of the OnScreen Control is not supported for following models from 1st June 2021.

      - 38WK95C,  27UK670, 27BK67U,  32GK850F, 32UK750, 27GL850, 27QN880, 34GN850, 
        35WN75C, 35BN75C,  35WN73A, 27UK670, 24QP750, 34GN73A,  32GP850,  27GP850, 
        34WP85C, 34WP88C, 32UP55, 35WN75CN

Homebrew / homebrew-cask-drivers

Bump lg-onscreen-control.rb to 5.98 #3408