Update protobuf to 3.18.1

ref:4846abb21711ea0dc148d4c5df7b5edd3d1bdc69

1 files changed, 1 insertions, 3 deletions

diff --git a/contrib/python/protobuf/py3/README.md b/contrib/python/protobuf/py3/README.md
index cb8b7e9892..f0c9ce4f44 100644
--- a/contrib/python/protobuf/py3/README.md
+++ b/contrib/python/protobuf/py3/README.md
@@ -1,8 +1,6 @@
 Protocol Buffers - Google's data interchange format
 ===================================================
 
-[![Build status](https://storage.googleapis.com/protobuf-kokoro-results/status-badge/linux-python.png)](https://fusion.corp.google.com/projectanalysis/current/KOKORO/prod:protobuf%2Fgithub%2Fmaster%2Fubuntu%2Fpython%2Fcontinuous) [![Build status](https://storage.googleapis.com/protobuf-kokoro-results/status-badge/linux-python_compatibility.png)](https://fusion.corp.google.com/projectanalysis/current/KOKORO/prod:protobuf%2Fgithub%2Fmaster%2Fubuntu%2Fpython_compatibility%2Fcontinuous) [![Build status](https://storage.googleapis.com/protobuf-kokoro-results/status-badge/linux-python_cpp.png)](https://fusion.corp.google.com/projectanalysis/current/KOKORO/prod:protobuf%2Fgithub%2Fmaster%2Fubuntu%2Fpython_cpp%2Fcontinuous) [![Build status](https://storage.googleapis.com/protobuf-kokoro-results/status-badge/macos-python.png)](https://fusion.corp.google.com/projectanalysis/current/KOKORO/prod:protobuf%2Fgithub%2Fmaster%2Fmacos%2Fpython%2Fcontinuous) [![Build status](https://storage.googleapis.com/protobuf-kokoro-results/status-badge/macos-python_cpp.png)](https://fusion.corp.google.com/projectanalysis/current/KOKORO/prod:protobuf%2Fgithub%2Fmaster%2Fmacos%2Fpython_cpp%2Fcontinuous) [![Compat check PyPI](https://python-compatibility-tools.appspot.com/one_badge_image?package=protobuf)](https://python-compatibility-tools.appspot.com/one_badge_target?package=protobuf)
-
 Copyright 2008 Google Inc.
 
 This directory contains the Python Protocol Buffers runtime library.
@@ -28,7 +26,7 @@ use python c++ implementation.
 Installation
 ============
 
-1) Make sure you have Python 2.7 or newer.  If in doubt, run:
+1) Make sure you have Python 3.5 or newer.  If in doubt, run:
 
        $ python -V