add pgvecto_rs support and upgrade SQLAlchemy (#3833)

api/.env.example

@@ -62,7 +62,7 @@ GOOGLE_STORAGE_SERVICE_ACCOUNT_JSON=your-google-service-account-json-base64-stri
 WEB_API_CORS_ALLOW_ORIGINS=http://127.0.0.1:3000,*
 CONSOLE_CORS_ALLOW_ORIGINS=http://127.0.0.1:3000,*
 
-# Vector database configuration, support: weaviate, qdrant, milvus, relyt
+# Vector database configuration, support: weaviate, qdrant, milvus, relyt, pgvecto_rs
 VECTOR_STORE=weaviate
 
 # Weaviate configuration
@@ -92,6 +92,13 @@ RELYT_USER=postgres
 RELYT_PASSWORD=postgres
 RELYT_DATABASE=postgres
 
+# PGVECTO_RS configuration
+PGVECTO_RS_HOST=localhost
+PGVECTO_RS_PORT=5431
+PGVECTO_RS_USER=postgres
+PGVECTO_RS_PASSWORD=difyai123456
+PGVECTO_RS_DATABASE=postgres
+
 # Upload configuration
 UPLOAD_FILE_SIZE_LIMIT=15
 UPLOAD_FILE_BATCH_LIMIT=5