documentation

Pull request #2038: feature/ZBX-24955-7.0-D. database restore error with TimescaleDB after upgrade from 7.0.0-7.0.4.

Merge in WEB/documentation from feature/ZBX-24955-7.0-D to release/7.0

* commit '5a077269982867a795669e85a9fed6ff9b44e09e':
  [ZBX-24955] added breaking change to upgrade notes for all affected versions
  [ZBX-24955] added useful clarifications
  [ZBX-24955] improved structure (moved "stop x" before "execute script")
  [ZBX-24955] database restore error with TimescaleDB after upgrade from 7.0.0-7.0.4
  [ZBX-24955] database restore error with TimescaleDB after upgrade from 7.0.0-7.0.4
  [ZBX-24955] database restore error with TimescaleDB after upgrade from 7.0.0-7.0.4