chore: update jina version (#5449)

Author: Joan Fontanals

jina/__init__.py

@@ -65,7 +65,7 @@ def _warning_on_one_line(message, category, filename, lineno, *args, **kwargs):
 # this is managed by git tag and updated on every release
 # NOTE: this represents the NEXT release version
 
-__version__ = '3.11.1'
+__version__ = '3.12.0'
 
 # do not change this line manually
 # this is managed by proto/build-proto.sh and updated on every execution