chore(deps-dev): bump vue-loader from 15.7.2 to 15.8.3
chore(deps-dev): bump vue-loader from 15.7.2 to 15.8.3

Bumps [vue-loader](https://github.com/vuejs/vue-loader) from 15.7.2 to 15.8.3.
- [Release notes](https://github.com/vuejs/vue-loader/releases)
- [Changelog](https://github.com/vuejs/vue-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-loader/compare/v15.7.2...v15.8.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
ktsn/sinai,ktsn/sinai,ktsn/sinai,ktsn/sinai