Updated API version to 1.0.3

- Bumped API version to 1.0.3
- Fixed version reference in server code

lightrag/api/__init__.py

@@ -1 +1 @@
-__api_version__ = "1.0.0"
+__api_version__ = "1.0.3"

lightrag/api/lightrag_server.py

@@ -565,7 +565,7 @@ def create_app(args):
         + "(With authentication)"
         if api_key
         else "",
-        version="1.0.2",
+        version=__api_version__,
         openapi_tags=[{"name": "api"}],
     )