The hook list has invalid hook documentation links (Kea 2.0.2, Kea 2.4.0)

The issue was reported during 1.8.0 sanity checks by @slawek. Source

Hook doc buttons have the wrong labels in the links for Kea 2.0.2 (works well for the latest Kea version).

Expected:

https://kea.readthedocs.io/en/kea-2.0.2/arm/hooks.html#stat-cmds-supplemental-statistics-commands

Actual:

https://kea.readthedocs.io/en/kea-2.0.2/arm/hooks.html#stat-cmds-statistics-commands-for-supplemental-lease-statistics