Updated GH actions version to v4

[surajeaton]

Fixes # BLUI-6549

Changes proposed in this Pull Request:

• Updated GH actions version to v4

Screenshots / Screen Recording (if applicable)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.44%. Comparing base (c166b92) to head (58aa365).
Report is 2 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #379      +/-   ##
==========================================
+ Coverage   85.05%   85.44%   +0.38%     
==========================================
  Files          22       22              
  Lines         261      261              
  Branches       12       12              
==========================================
+ Hits          222      223       +1     
+ Misses         32       31       -1     
  Partials        7        7              

Flag	Coverage Δ
unittests	85.44% <ø> (+0.38%)	⬆️

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