Fixes #587
Option are not good in term of accessibility, so use checkbox instead.
Fix test using Cypress 6

Bumps [axios](https://github.com/axios/axios) from 0.19.2 to 0.21.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v0.21.1/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v0.19.2...v0.21.1)

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Add Russian translation into lesspass-pure package

* use refresh token to refresh access token if expired
 * change access token duration to 15 minutes
 * change refresh token validity to 1 week

Fixes: 539
Fixes: 236

Hi, I propose some changes in the zh-CN translation.
"救" is "save" as in "to save/rescue a people". "Save" as in "to save/store a configuration" should be "保存".

* Design polish / code cleanup

* Exit options page after save

* Fix UTs

* Address comments + add translations