Sign-off commits

[martincostello]

Add the Signed-off-by trailer to Git commits.

[Copilot]

Pull Request Overview

This PR adds Git commit sign-off functionality by including the -s flag to automatically append Signed-off-by trailers to commits. This is commonly used for compliance with project contribution guidelines that require developer sign-off (such as the Developer Certificate of Origin).

• Added the -s flag to the git commit command in the version bump workflow

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.28%. Comparing base (28bb27b) to head (9f36e51).
⚠️ Report is 1 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3526   +/-   ##
=======================================
  Coverage   94.28%   94.28%           
=======================================
  Files         110      110           
  Lines        3816     3816           
  Branches      722      722           
=======================================
  Hits         3598     3598           
  Misses        218      218           

Flag	Coverage Δ
Linux	94.28% <ø> (ø)
Windows	94.28% <ø> (ø)
macOS	94.28% <ø> (ø)

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