chore: correct __version__ on develop branch. (#28582)

diff --git a/erpnext/__init__.py b/erpnext/__init__.py
index 9d99ebb..a5de50f 100644
--- a/erpnext/__init__.py
+++ b/erpnext/__init__.py
@@ -4,7 +4,7 @@
 
 from erpnext.hooks import regional_overrides
 
-__version__ = '13.9.0'
+__version__ = '14.0.0-dev'
 
 def get_default_company(user=None):
 	'''Get default company for user'''