Fix super-linter - #627

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: chrisdickinson/setup-yq@3d931309f27270ebbafd53f2daee773a82ea1822. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/