Update SPIRV-Tools to 1c336172 - #8738

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683, actions/setup-python@v4, step-security/changed-files@3dbe17c78367e7d60f00d78ae6781a35be47b4a1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Please ensure that submodules are initialized and up to date. See: https://github.com/actions/checkout#usage

fatal: Invalid revision range b707790a898e44038547df54580022fc1cf89c3d..1c336172641682bab6e066767d09fdff1d826467

Set 'fetch_additional_submodule_history: true' to fetch additional submodule history for: external/SPIRV-Tools