docs: Install `libxkbcommon` (#16897)

This PR installs the development packages for `xkbcommon` and
`xkbcommon-x11` that are needed for building the `docs_preprocessor`.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

d50cb1725680da8532bcf32716055a025ed82db0

Parent: 4c7c8b0

Committed by GitHub <noreply@github.com> on 8/26/2024, 4:48:46 PM