chore(submodules): advance wokelang pointer — value_eq_dec constructive proof

Picks up 66fe1a4: prove value_eq_dec as Theorem via decide equality +
Req_EM_T (no Axiom — uses Coq.Reals' existing classical imports).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: hyperpolymath