chore(deps): update actions/checkout digest to a37ce91 - #347

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26, actions/setup-node@1a4442cacd436585916779262731d5b162bc6ec7, actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

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