Update Scriban.Signed to version 5.5.0

[StefH]

No description provided.

[codecov]

Codecov Report

Merging #777 (d012fe2) into master (968aa59) will decrease coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #777      +/-   ##
==========================================
- Coverage   72.00%   71.95%   -0.05%     
==========================================
  Files         209      209              
  Lines        7243     7248       +5     
  Branches      750      750              
==========================================
  Hits         5215     5215              
- Misses       1800     1805       +5     
  Partials      228      228              

Impacted Files	Coverage Δ
...k.Net/Transformers/Scriban/WireMockListAccessor.cs	0.00% <0.00%> (ø)
...et/Transformers/Scriban/WireMockTemplateContext.cs	0.00% <0.00%> (ø)

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