upgrade Protobuf 6.31.1

Author: scito

Pipfile.lock

@@ -14,7 +14,7 @@
 [![Stand With Ukraine](https://raw.githubusercontent.com/vshymanskyy/StandWithUkraine/main/badges/StandWithUkraine.svg)](https://stand-with-ukraine.pp.ua)
 <!-- ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/protobuf)
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-![protobuf version](https://img.shields.io/badge/protobuf-5.31.0-informational)-->
+![protobuf version](https://img.shields.io/badge/protobuf-5.31.1-informational)-->
 
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@@ -729,7 +729,7 @@ Command for regeneration of Python code from proto3 message definition file (onl
 
     protoc --plugin=protoc-gen-mypy=path/to/protoc-gen-mypy --python_out=src/protobuf_generated_python --mypy_out=src/protobuf_generated_python src/google_auth.proto
 
-The generated protobuf Python code was generated by protoc 31.0 (https://github.com/protocolbuffers/protobuf/releases/tag/v31.0).
+The generated protobuf Python code was generated by protoc 31.1 (https://github.com/protocolbuffers/protobuf/releases/tag/v31.1).
 
 For Python type hint generation the [mypy-protobuf](https://github.com/nipunn1313/mypy-protobuf) package is used.