Update backup.sh

[dinger1986]

added passwordless sudo verify

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.16%. Comparing base (05b88a3) to head (2d51b12).
Report is 11 commits behind head on develop.

❗ Current head 2d51b12 differs from pull request most recent head 69cd348

Please upload reports for the commit 69cd348 to get more accurate results.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1824   +/-   ##
========================================
  Coverage    79.16%   79.16%           
========================================
  Files          138      138           
  Lines         9678     9678           
========================================
  Hits          7662     7662           
  Misses        2016     2016           

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