feat(file-selector): add getErrorMessage prop and improve error handling - #957

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: github/codeql-action/analyze@3599b3baa15b485a2e49ef411a7a4bb2452e7f93, github/codeql-action/autobuild@3599b3baa15b485a2e49ef411a7a4bb2452e7f93, github/codeql-action/init@3599b3baa15b485a2e49ef411a7a4bb2452e7f93. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/