feat: support latest stable electron release line (electron-userland#334

)

* feat: support latest stable electron release line

* fix: update package.json for vulns

* fix: some linter errors

* fix: loadURL => loadFile

* fix: final lint fixes

bump v4.0.0

Merge pull request electron-userland#264 from electron/3-8

Upgrade to Electron 1.8

Update for 3.7.3

3.6.5

3.7.2

3.6.4

3.7.1

3.7.0

3.6.3