feat: support timer modifactions on Spinner and Progressbar

[MarvinJWendt]

Fixes #641

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 14 lines in your changes are missing coverage. Please review.

Project coverage is 80.78%. Comparing base (1a9d517) to head (38b9bd3).
Report is 1 commits behind head on master.

Files	Patch %	Lines
progressbar_printer.go	0.00%	7 Missing ⚠️
spinner_printer.go	0.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #647      +/-   ##
==========================================
- Coverage   81.05%   80.78%   -0.28%     
==========================================
  Files          33       33              
  Lines        4176     4190      +14     
==========================================
  Hits         3385     3385              
- Misses        718      732      +14     
  Partials       73       73              

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