chore(deps): bump org.slf4j:slf4j-simple from 2.0.16 to 2.0.18 - #17

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