chore(deps): update actions/checkout action to v4#126

azu merged 1 commit intomastertextlint-ja/textlint-rule-preset-ja-technical-writing:masterfrom

renovate/actions-checkout-4.xtextlint-ja/textlint-rule-preset-ja-technical-writing:renovate/actions-checkout-4.xCopy head branch name to clipboard