fix(deps): pin dependency uglifyjs-webpack-plugin to 2.1.2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
uglifyjs-webpack-plugin	dependencies	pin	^2.1.1 -> 2.1.2	source

:pushpin: Important: Renovate will wait until you have merged this Pin PR before creating any upgrade PRs for the affected packages. Add the preset :preserveSemverRanges your config if you instead don't wish to pin dependencies.

---

Renovate configuration

:date: Schedule: "on tuesday" (UTC).

:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Whenever PR is stale, or if you modify the PR title to begin with "rebase!".

:ghost: Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot. View repository job log here.