Combine and update fprime submodule, remove WasmSeq patches - #284

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Found note for version 0.0.24: 'If you accept PRs from forks, they won't work. Please upgrade to https://github.com/check-spelling/check-spelling/releases/v0.0.26'