Increment point release number in cmake and windows installer

FreeCAD v0.21.1 release

FreeCAD 0.21.0 official release

QMessage should not be used to notify that. Here we should use the re…

…quireRestart functionality.

Disable notification area by default for now because it's not polishe…

…d enough for the 0.21 release.

Addon Manager: Fix bug in updater

[FEM] [skip CI] remove unused import for potential

Fem: remove string from translation

Part: apply OCC's fix for ElSLib::ConeDN and write a unit test

[Import]Fix FreeCAD#6461 MEASUREMENT/INSUNITS