Sign-off commits

[martincostello]

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

[Copilot]

Pull Request Overview

This PR adds the Signed-off-by trailer to Git commits by including the -s flag in git commit commands across GitHub workflow files. This ensures that all automated commits include proper sign-off information as required by many open source projects.

• Added -s flag to git commit commands in GitHub Actions workflows
• Ensures automated commits include Signed-off-by trailers for compliance

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
.github/workflows/on-push-do-docs.yml	Added sign-off flag to documentation update commits
.github/workflows/after-release.yml	Added sign-off flag to changelog update commits

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.23%. Comparing base (10be2ed) to head (7037d36).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2694   +/-   ##
=======================================
  Coverage   96.23%   96.23%           
=======================================
  Files         311      311           
  Lines        7322     7322           
  Branches     1012     1012           
=======================================
  Hits         7046     7046           
  Misses        222      222           
  Partials       54       54           

Flag	Coverage Δ
linux	96.23% <ø> (ø)
macos	96.23% <ø> (ø)
windows	96.22% <ø> (ø)

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