chore(deps): update lunarmodules/luacheck action to v1.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
lunarmodules/luacheck	action	minor	v1.1.2 -> v1.2.0

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Release Notes

lunarmodules/luacheck (lunarmodules/luacheck)

### [`v1.2.0`](https://togithub.com/lunarmodules/luacheck/releases/tag/v1.2.0) [Compare Source](https://togithub.com/lunarmodules/luacheck/compare/v1.1.2...v1.2.0) ##### Features - Add builtin standards support for minetest ([#​108](https://togithub.com/lunarmodules/luacheck/issues/108)) — [@​BuckarooBanzay](https://togithub.com/BuckarooBanzay) and [@​appgurueu](https://togithub.com/appgurueu) ##### Performance - Memoize results to addresses speed refression from new feature in v0.26 ([#​105](https://togithub.com/lunarmodules/luacheck/issues/105)) — [@​tomlau10](https://togithub.com/tomlau10)

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Configuration

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