OS Updater: Add cleanup step

[jcapona]

Implement package "cleanup" logic after installing upgrades: apt autoremove, apt clean & others

[codecov-commenter]

Codecov Report

Merging #173 (0d37431) into master (e31e7b5) will decrease coverage by 0.08%.
The diff coverage is 60.00%.

@@            Coverage Diff             @@
##           master     #173      +/-   ##
==========================================
- Coverage   70.43%   70.34%   -0.09%     
==========================================
  Files          97       97              
  Lines         717      725       +8     
  Branches      100      103       +3     
==========================================
+ Hits          505      510       +5     
- Misses        128      129       +1     
- Partials       84       86       +2     

Flag	Coverage Δ
jstests	70.34% <60.00%> (-0.09%)	⬇️

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Impacted Files	Coverage Δ
src/frontend/src/pages/upgradePage/UpgradePage.tsx	60.00% <50.00%> (-0.87%)	⬇️
...end/src/pages/upgradePage/UpgradePageContainer.tsx	80.21% <62.50%> (-0.96%)	⬇️

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