feat: add option to truncate GitHub annotations - #157

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: bcoe/conventional-release-labels@v1, mheap/github-action-required-labels@8afbe8ae6ab7647d0c9f0cfa7c2f939650d22509. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/