feat: add weekly contest 429 #8025

	name: black-linter

	on:
	push:
	paths:
	- solution/**
	- lcs/**
	- lcp/**
	- lcof2/**
	- lcof/**
	- lcci/**
	- basic/**
	pull_request:
	paths:
	- solution/**
	- lcs/**
	- lcp/**
	- lcof2/**
	- lcof/**
	- lcci/**
	- basic/**

	concurrency:
	group: ${{github.workflow}} - ${{github.ref}}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: jpetrucciani/[email protected]
	with:
	black_flags: '-S'

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