feat(wot): prepare audit contract release 0.2.0a4 - #116

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: ytanikin/PRConventionalCommits@1.3.0. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/