python3Packages.pybind11-protobuf: unbreak

pkgs/by-name/or/or-tools/package.nix

···
   abseil-cpp = abseil-cpp_202407;
   protobuf = protobuf_29.override { inherit abseil-cpp; };
   python-protobuf = python3.pkgs.protobuf5.override { inherit protobuf; };
-  pybind11-protobuf = python3.pkgs.pybind11-protobuf.override { inherit protobuf; };
+  pybind11-protobuf = python3.pkgs.pybind11-protobuf.override { protobuf_29 = protobuf; };
 
 in
 stdenv.mkDerivation (finalAttrs: {

pkgs/development/python-modules/pybind11-protobuf/default.nix

···
   fetchFromGitHub,
   cmake,
   abseil-cpp,
-  protobuf,
+  protobuf_29,
   pybind11,
   zlib,
 }:
···
 
   buildInputs = [
     abseil-cpp
-    protobuf
+    protobuf_29
     pybind11
     zlib
   ];