chore(deps): update dependency electron to v6.0.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
electron	devDependencies	patch	6.0.5 -> 6.0.6

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Release Notes

electron/electron

### [`v6.0.6`](https://togithub.com/electron/electron/releases/v6.0.6) [Compare Source](https://togithub.com/electron/electron/compare/v6.0.5...v6.0.6) ### Release Notes for v6.0.6 #### Fixes - Fixed a bug where windows would sometimes shrink to 0 size after being restored on Windows. [#​20001](https://togithub.com/electron/electron/issues/20001) - Fixed i18n of GTK messageboxes' stock buttons. [#​20007](https://togithub.com/electron/electron/issues/20007) #### Other Changes - Updated Chromium to 76.0.3809.138. [#​20024](https://togithub.com/electron/electron/issues/20024)

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