Prep for v0.3.4

docs/changelog.rst

@@ -17,7 +17,7 @@ Release Notes
 To avail of fixes in an unreleased version, please download a ZIP file
 `directly from GitHub <https://github.com/dw/mitogen/>`_.
 
-v0.3.4.dev0
+v0.3.4 (2023-07-02)
 -------------------
 
 * :gh:issue:`929` Support Ansible 6 and ansible-core 2.13

mitogen/__init__.py

@@ -35,7 +35,7 @@ be expected. On the slave, it is built dynamically during startup.
 
 
 #: Library version as a tuple.
-__version__ = (0, 3, 4, 'dev0')
+__version__ = (0, 3, 4)
 
 
 #: This is :data:`False` in slave contexts. Previously it was used to prevent