Updates the requirements on [file-type](https://github.com/sindresorhus/file-type) to permit the latest version.
- [Release notes](https://github.com/sindresorhus/file-type/releases)
- [Commits](https://github.com/sindresorhus/file-type/commits/v10.4.0

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Updates the requirements on [webpack](https://github.com/webpack/webpack) to permit the latest version.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/commits/v4.25.1

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

* wip

* Rename

* Clean up

* Clean up

* wip

* wip

* Enable tree shaking

* ✌️

* ✌️

* wip

* wip

* Clean up

Use Twemoji

This reverts commit b9b05a74.

* Update config.yml

* Add `npm prune` command

refs: https://misskey.xyz/notes/5bd9b87168b2a30045edb3aa

* Ensure package-lock.json exists

refs: https://github.com/syuilo/misskey/pull/3117#pullrequestreview-171437187

refs: https://github.com/syuilo/misskey/pull/3117#pullrequestreview-171423739
refs: https://github.com/syuilo/misskey/pull/3117#pullrequestreview-171424596
refs: https://github.com/syuilo/misskey/pull/3117#pullrequestreview-171425303

refs: https://github.com/syuilo/misskey/pull/3117#issuecomment-435745613