mesa: update pipeline when re-linking a program in use

mesa: update pipeline when re-linking a program in use

Updating was only done for bound program, so add the
same logic for existing pipelines.

This fixes piglit test arb_shader_storage_buffer_object-issue1258.
It might also help the following issue:
  https://gitlab.freedesktop.org/mesa/mesa/-/issues/1258

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Acked-by: Marek Olšák <marek.olsak@amd.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4404>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4404>