Merge pull request #8037 from kragniz/patch-2

doc: python-etcd3 is pretty stable now

Documentation/integrations.md

@@ -40,7 +40,7 @@
 
 **Python libraries**
 
-- [kragniz/python-etcd3](https://github.com/kragniz/python-etcd3) - Work in progress client for v3
+- [kragniz/python-etcd3](https://github.com/kragniz/python-etcd3) - Client for v3
 - [jplana/python-etcd](https://github.com/jplana/python-etcd) - Supports v2
 - [russellhaering/txetcd](https://github.com/russellhaering/txetcd) - a Twisted Python library
 - [cholcombe973/autodock](https://github.com/cholcombe973/autodock) - A docker deployment automation tool