bump version to 2.6.4

Author: github-actions

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "meshtastic"
-version = "2.6.3"
+version = "2.6.4"
 description = "Python API & client shell for talking to Meshtastic devices"
 authors = ["Meshtastic Developers <[email protected]>"]
 license = "GPL-3.0-only"