protobuf: 30.2 -> 31.0

Diff: https://github.com/protocolbuffers/protobuf/compare/v30.2...v31.0

Changelog:
https://github.com/protocolbuffers/protobuf/releases/tag/v31.0

pkgs/development/python-modules/protobuf/6.nix

@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "protobuf";
-  version = "6.30.2";
+  version = "6.31.0";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-NchZrgdtjFYFTCW1nl5ZY42GVF7W4rbvrGvgtuo7oEg=";
+    hash = "sha256-MU+rGmoxZGncLdRvmTy76VyGHqaAfakQvs/nR1vCb/4=";
   };
 
   build-system = [ setuptools ];

pkgs/top-level/all-packages.nix

@@ -9329,7 +9329,7 @@ with pkgs;
 
   prospector = callPackage ../development/tools/prospector { };
 
-  protobuf = protobuf_30;
+  protobuf = protobuf_31;
 
   inherit
     ({