runner: Add option --hook

Now that we have support for setting a hook script for test cases, let's
also add the option --hook to igt_runner, which forwards it to test
executables.

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://lore.kernel.org/r/20240814204822.95283-4-gustavo.sousa@intel.com


Signed-off-by: Matt Roper <matthew.d.roper@intel.com>