Upgrade Hugo to 0.156 and Docsy to 0.15 and Node.js to 24.15

Update Hugo, Docsy, and Node packages (#11237)

* chore: hugo update

* Package update for hugo, docsy and node

* updating the documentation readme pills to reflect dependency versions

* fix comment about docsy affecting h2

1.0.0 Jekyll release

Tagged for historic purpose. Is the Jekyll version, while we continue to use Hugo