Bump node-forge from 1.3.2 to 1.4.0 in /extensions/vscode-api-tests (#305343)

Bumps [node-forge](https://github.com/digitalbazaar/forge) from 1.3.2 to 1.4.0.
- [Changelog](https://github.com/digitalbazaar/forge/blob/main/CHANGELOG.md)
- [Commits](https://github.com/digitalbazaar/forge/compare/v1.3.2...v1.4.0)

---
updated-dependencies:
- dependency-name: node-forge
  dependency-version: 1.4.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>