Merge releases/v4 into releases/v3

[github-actions]

Merging 1b168cd into releases/v3.

Conductor for this PR is @oscarsj.

Contains the following pull requests:

• Overlay: Check database metadata for overlayBaseSpecifier #3340 (@kaspersv)
• Mergeback v4.31.7 refs/heads/releases/v4 into main #3345 (@oscarsj)
• Update default bundle to 2.23.8 #3354 (@oscarsj)
• Merge main into releases/v4 #3355 (@oscarsj)

Please do the following:

• Ensure the CHANGELOG displays the correct version and date.
• Ensure the CHANGELOG includes all relevant, user-facing changes since the last release.
• Check that there are not any unexpected commits being merged into the releases/v3 branch.
• Ensure the docs team is aware of any documentation changes that need to be released.
• Remove and re-add the "Rebuild" label to the PR to trigger just this workflow.
• Wait for the "Rebuild" workflow to push a commit updating the distribution files.
• Mark the PR as ready for review to trigger the full set of PR checks.
• Approve and merge this PR. Make sure Create a merge commit is selected rather than Squash and merge or Rebase and merge.

[github-actions]

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

[Copilot]

Pull request overview

This is a release PR merging changes from releases/v4 into releases/v3 for version 3.31.8. The primary purpose is to update the default CodeQL bundle version to 2.23.8 and includes enhancements to overlay database validation by adding database metadata resolution checks.

Key changes:

• Version bumped to 3.31.8 with updated CHANGELOG entry
• Default CodeQL bundle and CLI version updated from 2.23.7 to 2.23.8
• Enhanced overlay database validation with new resolveDatabase method to verify overlay base specifiers

Reviewed changes

Copilot reviewed 19 out of 20 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
CHANGELOG.md	Documents the 3.31.8 release with CodeQL bundle version update
package.json	Updates package version to 3.31.8
package-lock.json	Updates lockfile version (contains version mismatch issue)
src/defaults.json	Updates default CodeQL bundle and CLI versions to 2.23.8
src/codeql.ts	Adds new resolveDatabase method to CodeQL interface
src/overlay-database-utils.ts	Enhances database validation with overlay base specifier checks
src/overlay-database-utils.test.ts	Adds test coverage for new database resolution validation
lib/*.js	Generated JavaScript files reflecting TypeScript source changes