[apache#1786] docs(jdbc): improvement JDBC catalog document (apache#1805

)

### What changes were proposed in this pull request?
1. update PG supported version
2. add warning messages not change gravitino id
3. add not support set MySQL scheme comment message

### Why are the changes needed?


Fix: apache#1786 apache#1704 

### Does this PR introduce _any_ user-facing change?
no

### How was this patch tested?
no, just document

docs/jdbc-mysql-catalog.md

@@ -13,6 +13,10 @@ This software is licensed under the Apache License version 2."
 
 Gravitino provides the ability to manage MySQL metadata.
 
+:::caution
+Gravitino saves some system information in schema and table comment, like `(From Gravitino, DO NOT EDIT: gravitino.v1.uid1078334182909406185)`, please don't change or remove this message.
+:::
+
 ## Catalog
 
 ### Catalog capabilities
@@ -51,7 +55,7 @@ Please refer to [Manage Metadata Using Gravitino](./manage-metadata-using-gravit
 ### Schema capabilities
 
 - Gravitino schema corresponds to the MySQL database.
-- Supports create schema with comments.
+- Supports create schema, but does not explicitly support setting comments.
 - Supports drop schema.
 - Doesn't support cascade drop database.
 

docs/jdbc-postgresql-catalog.md

@@ -13,12 +13,16 @@ This software is licensed under the Apache License version 2."
 
 Gravitino provides the ability to manage PostgreSQL metadata.
 
+:::caution
+Gravitino saves some system information in schema and table comment, like `(From Gravitino, DO NOT EDIT: gravitino.v1.uid1078334182909406185)`, please don't change or remove this message.
+:::
+
 ## Catalog
 
 ### Catalog capabilities
 
 - Gravitino catalog corresponds to the PostgreSQL database.
-- Supports metadata management of PostgreSQL (9.2, 12.0, 13.0).
+- Supports metadata management of PostgreSQL (12.x, 13.x, 14.x, 15.x, 16.x).
 - Supports DDL operation for PostgreSQL schemas and tables.
 - Doesn't support table index operations.
 - Doesn't support setting certain column properties, such as default value and check constraints