update feature flags for postgres docker (#1040)

Author: qrort

ydb/docs/en/core/postgresql/docker-connect.md

@@ -32,7 +32,7 @@ To preserve the container's state, you need to remove the environment variable `
             - "YDB_USE_IN_MEMORY_PDISKS=true"
             - "POSTGRES_USER=${YDB_PG_USER:-root}"
             - "POSTGRES_PASSWORD=${YDB_PG_PASSWORD:-1234}"
-            - "YDB_FEATURE_FLAGS=enable_temp_tables"
+            - "YDB_FEATURE_FLAGS=enable_temp_tables,enable_table_pg_types"
             - "YDB_TABLE_ENABLE_PREPARED_DDL=true"
     ```
 

ydb/docs/ru/core/postgresql/docker-connect.md

@@ -32,7 +32,7 @@
             - "YDB_USE_IN_MEMORY_PDISKS=true"
             - "POSTGRES_USER=${YDB_PG_USER:-root}"
             - "POSTGRES_PASSWORD=${YDB_PG_PASSWORD:-1234}"
-            - "YDB_FEATURE_FLAGS=enable_temp_tables"
+            - "YDB_FEATURE_FLAGS=enable_temp_tables,enable_table_pg_types"
             - "YDB_TABLE_ENABLE_PREPARED_DDL=true"
     ```