Dune build: fix domainstate ml/mli generation (#12245)
Do not pass the tbl file to the cpp, only the C file is required. Now
the Dune file is in sync with the Makefile. Fixes the following
warning:
clang: warning: runtime/caml/domain_state.tbl: 'linker' input unused [-Wunused-command-line-argument]
authored by