feat: add internal workflow step string status management methods

[NazarLysyi]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 90.04%. Comparing base (699e23f) to head (5219609).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
src/workflows/index.ts	85.72%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #572      +/-   ##
==========================================
- Coverage   90.06%   90.04%   -0.02%     
==========================================
  Files          40       40              
  Lines        1990     1996       +6     
  Branches      207      208       +1     
==========================================
+ Hits         1792     1797       +5     
  Misses         82       82              
- Partials      116      117       +1     

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