Mergeback v4.31.7 refs/heads/releases/v4 into main

[github-actions]

This PR bumps the version number and updates the changelog after the v4.31.7 release.

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[Copilot]

Pull request overview

This PR merges back the v4.31.7 release branch into main, bumping the version to 4.31.8 and finalizing the changelog for the v4.31.7 release dated December 5, 2025.

Key Changes:

• Version bumped from 4.31.7 to 4.31.8 in package files
• Changelog updated with v4.31.7 release entry and placeholder for next release

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
package.json	Version bumped to 4.31.8 for next development cycle
package-lock.json	Lockfile version updated to match package.json
CHANGELOG.md	Finalized v4.31.7 entry with release date and added UNRELEASED placeholder

[github-actions]

Pushed a commit to rebuild the Action. Please mark the PR as ready for review to trigger PR checks.