chore: update JavaScript runtimes - #442

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, autofix-ci/action@635ffb0c9798bd160680f18fd73371e355b85f27, jdx/mise-action@13abe502c30c1559a5c37dff303831bab82c9402. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/