chore(deps): bump pydata-sphinx-theme from 0.21.0 to 0.22.0 in /requirements - #74

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v3, actions/checkout@v3. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Failed to save: "/bin/tar" failed with error: The process '/bin/tar' failed with exit code 1

Failed to save: "/bin/tar" failed with error: The process '/bin/tar' failed with exit code 1