Update setup.py

bump version for release

Author: mkinney

setup.py

@@ -12,7 +12,7 @@
 # This call to setup() does all the work
 setup(
     name="meshtastic",
-    version="1.2.52",
+    version="1.2.53",
     description="Python API & client shell for talking to Meshtastic devices",
     long_description=long_description,
     long_description_content_type="text/markdown",