sync: Update hotfix branch from v16

[niraj2477]

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[Copilot]

Pull request overview

This PR introduces commit/message hygiene and secret-scanning automation via GitHub Actions, adding commitlint configuration plus CI workflows to enforce semantic commits and run Gitleaks on v16-related branches.

Changes:

• Add commitlint.config.js to define allowed commit types and basic commit message rules.
• Add a “Semantic Commits” workflow that runs commitlint on pull requests.
• Add a “Gitleaks” workflow that runs on pushes/PRs targeting version-16 and version-16-hotfix.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
commitlint.config.js	Adds commitlint rules for semantic commit enforcement.
.github/workflows/semantic-commits.yml	Adds a PR workflow that installs and runs commitlint over the PR’s commit range.
.github/workflows/gitleaks.yml	Adds a secrets scan workflow for v16/v16-hotfix branches.

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