installer cleanup

[trappitsch]

• rename binary from packager according to project name, not pkg name
• update changelog
• refractor installer to go with project (not package) name
• run box installer in integration test workflow
• clean up intaller utilities
• resort changelog

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.74%. Comparing base (7de4ee3) to head (995305e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #46   +/-   ##
=======================================
  Coverage   99.74%   99.74%           
=======================================
  Files          25       24    -1     
  Lines        1577     1581    +4     
=======================================
+ Hits         1573     1577    +4     
  Misses          4        4           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.