Remove dependencies needed to support node:test with WallabyJS - #96

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/dependency-review-action@v4.3.3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

npm/source-map-support has an OpenSSF Scorecard of 2.3, which is less than this repository's threshold of 3.

npm/debug has an OpenSSF Scorecard of 2.6, which is less than this repository's threshold of 3.