fix: Add missing await to create_database (#162)

Added missing await for database creation in PGVectorAdapter

Fix #COG-170

cognee/infrastructure/databases/vector/pgvector/create_db_and_tables.py

@@ -7,7 +7,7 @@ async def create_db_and_tables():
     vector_engine = get_vector_engine()
 
     if vector_config.vector_db_provider == "pgvector":
-        vector_engine.create_database()
+        await vector_engine.create_database()
         async with vector_engine.engine.begin() as connection:
             await connection.execute(text("CREATE EXTENSION IF NOT EXISTS vector;"))