Update version to 3.4.0

Lucas-Mc · web-flow · commit 8c4853482def · 2021-05-25T11:15:41.000-04:00
diff --git a/wfdb/version.py b/wfdb/version.py
@@ -1 +1 @@
-__version__ = '3.3.0'
+__version__ = '3.4.0'
