chore: Bump Noir reference

Automated pull of nightly from the [noir](https://github.com/noir-lang/noir) programming language, a dependency of Aztec.
BEGIN_COMMIT_OVERRIDE
fix: don't thread-bomb unnecessarily (noir-lang/noir#9643)
chore(mem2reg): Only add to per function last_loads if load is not removed (noir-lang/noir#9647)
chore(mem2reg): add a few regression tests (noir-lang/noir#9615)
fix: Monomorphize function values as pairs of `(constrained, unconstrained)` (noir-lang/noir#9484)
fix(mem2reg): Mark block parameters with unknown alias sets in presence of nested references  (noir-lang/noir#9629)
fix(ssa): Put some default in `Value::uninitialized` for references in the SSA interpreter (noir-lang/noir#9603)
feat(ssa_fuzzer): ecdsa blackbox functions (noir-lang/noir#9584)
fix(mem2reg): missing alias from block parameter to its argument (noir-lang/noir#9640)
fix(acir_gen): A slice might be a nested Array, not a flattened DynamicArray (noir-lang/noir#9600)
chore: add another mem2reg regression for #9613 (noir-lang/noir#9635)
chore: document remove_if_else (in preparation for audit) (noir-lang/noir#9621)
fix(mem2reg): Assume all function reference parameters have an unknown alias set with nested references (noir-lang/noir#9632)
chore: add a regression test for #9613 (noir-lang/noir#9630)
fix: Revert "feat(mem2reg): address last known value is independent of its… (noir-lang/noir#9628)
fix(inlining): Do not inline globals and lower them during ACIR gen (noir-lang/noir#9626)
chore(brillig): Include function name with `--count-array-copies` debug information (noir-lang/noir#9623)
chore: use `assert_ssa_does_not_change` throughout all SSA tests (noir-lang/noir#9625)
chore: only run remove_paired_rc in brillig functions (noir-lang/noir#9624)
chore: some inlining refactors (noir-lang/noir#9622)
chore(mem2reg): avoid redundant PostOrder computation (noir-lang/noir#9620)
chore: bump external pinned commits (noir-lang/noir#9618)
chore: document intrinsics (noir-lang/noir#9382)
fix: Make inc/dec_rc impure (noir-lang/noir#9617)
chore: greenlight `checked_to_unchecked` for audits (noir-lang/noir#9537)
feat(mem2reg): address last known value is independent of its aliases (noir-lang/noir#9613)
fix: Fix if-else alias in mem2reg (noir-lang/noir#9611)
END_COMMIT_OVERRIDE

Author: AztecBot

noir/noir-repo-ref

@@ -1 +1 @@
-nightly-2025-08-22
+nightly-2025-08-27