Bump json5, @vue/cli-service and less-loader in /vant#80

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dependabot/npm_and_yarn/vant/json5-and-vue/cli-service-and-less-loader-2.2.3wmhello/laravel_template_with_vue:dependabot/npm_and_yarn/vant/json5-and-vue/cli-service-and-less-loader-2.2.3Copy head branch name to clipboard