[SEC-4668] Fix Nuget package signing by updating code sign github action to v5.

[petergasper]

Action from the incident INC-2101

The signing code code is broken for the Nuget packages. Update version of the code-sign-action provides a fix.

Changes:

• Update code-sign-action github action to a fixed version.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.15%. Comparing base (cf7b260) to head (156b996).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #174   +/-   ##
=======================================
  Coverage   78.15%   78.15%           
=======================================
  Files           9        9           
  Lines         673      673           
  Branches       38       38           
=======================================
  Hits          526      526           
  Misses        121      121           
  Partials       26       26           

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[einarmo]

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