checkpoint-postgres: vbump & add a note to readme (#1295)

libs/checkpoint-postgres/README.md

@@ -7,6 +7,9 @@ Implementation of LangGraph CheckpointSaver that uses Postgres.
 > [!IMPORTANT]
 > When using Postgres checkpointers for the first time, make sure to call `.setup()` method on them to create required tables. See example below.
 
+> [!IMPORTANT]
+> When manually creating Postgres connections and passing them to `PostgresSaver` or `AsyncPostgresSaver`, make sure to include `autocommit=True` and `row_factory=dict_row` (`from psycopg.rows import dict_row`). See a full example in this [how-to guide](https://langchain-ai.github.io/langgraph/how-tos/persistence_postgres/).
+
 ```python
 from langgraph.checkpoint.postgres import PostgresSaver
 
@@ -95,4 +98,4 @@ async with AsyncPostgresSaver.from_conn_string(DB_URI) as checkpointer:
 
     # list checkpoints
     [c async for c in checkpointer.alist(read_config)]
-```
+```

libs/checkpoint-postgres/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph-checkpoint-postgres"
-version = "1.0.2"
+version = "1.0.3"
 description = "Library with a Postgres implementation of LangGraph checkpoint saver."
 authors = []
 license = "MIT"