Update dependency electron-devtools-installer to v3.1.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
electron-devtools-installer	devDependencies	minor	3.0.0 -> 3.1.1

---

Release Notes

MarshallOfSound/electron-devtools-installer

### [`v3.1.1`](https://togithub.com/MarshallOfSound/electron-devtools-installer/releases/v3.1.1) [Compare Source](https://togithub.com/MarshallOfSound/electron-devtools-installer/compare/v3.1.0...v3.1.1) ##### Bug Fixes - add CRX3 support ([#​140](https://togithub.com/MarshallOfSound/electron-devtools-installer/issues/140)) ([5e775ef](https://togithub.com/MarshallOfSound/electron-devtools-installer/commit/5e775eff63cbaabf2f11ef16e9e30b6a0a9a50ee)), closes [#​139](https://togithub.com/MarshallOfSound/electron-devtools-installer/issues/139) ### [`v3.1.0`](https://togithub.com/MarshallOfSound/electron-devtools-installer/releases/v3.1.0) [Compare Source](https://togithub.com/MarshallOfSound/electron-devtools-installer/compare/v3.0.0...v3.1.0) ##### Features - add electron 9 support ([#​131](https://togithub.com/MarshallOfSound/electron-devtools-installer/issues/131)) ([ab713a6](https://togithub.com/MarshallOfSound/electron-devtools-installer/commit/ab713a639c0ea96ffcdb3970f869de7e05f55ee5))

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Disabled by config. Please merge this manually once you are satisfied.

:recycle: Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

---

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

---

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