Bumped version to 6.2.0 for release

Author: davidbrochart

Diff for: docs/changelog.rst

@@ -4,14 +4,20 @@
 Changes in Jupyter Client
 =========================
 
-6.1.13
-======
+6.2.0
+=====
+- Fix threaded client and fix qtconsole issues (:ghpull:`638`)
+- Drop Python 3.5 and pin Python >= 3.6.1 (:ghpull:`636`)
 - Use pre-commit for code style (:ghpull:`631`)
 - Fix kernel client shutdown test (:ghpull:`629`)
 - Add MultiKernelManager subclass tests (:ghpull:`627`)
 - Add KernelManager subclass tests (:ghpull:`626`)
 - Add type annotations, refactor sync/async (:ghpull:`623`)
 
+6.1.13
+======
+- Yanked (PyPI) and marked as broken (conda)
+
 6.1.12
 ======
 - Shutdown request sequence has been modified to be more graceful, it now is

Diff for: jupyter_client/_version.py

@@ -1,4 +1,4 @@
-version_info = (6, 1, 13, "dev")
+version_info = (6, 2, 0)
 __version__ = ".".join(map(str, version_info))
 
 protocol_version_info = (5, 3)