feat: add robots.txt to disallow all web crawlers

Merge pull request #932 from 0xJacky/renovate/all-minor-patch

chore(deps): update all non-major dependencies

refactor(analytic): improved network stat #913

enhance(analytic): improve network statistics collection #913

chore: prepare v2.0.0-rc.4

fix(notification): improve notification display and sorting

refactor: notification module

chore: update translation files

enhance(site-editor): css in small devices

fix(user): fail to change password #852