fix(spec): Harden decimal and fixed type string parsing - #3256

Unable to publish audit check! Reason: HttpError: Resource not accessible by integration - https://docs.github.com/rest/checks/runs#create-a-check-run

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: rustsec/audit-check@69366f33c96575abad1ee0dba8212993eecbe998. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

GitHub Actions are not allowed to use Check API, when executed for a forked repos. See https://github.com/actions-rs/clippy-check/issues/2 for details.

It seems that this Action is executed from the forked repository.

3 warnings found!