feat: show database options

[killme2008]

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

3708

What's changed and what's your intention?

Main changes:

• Test creating tables with database TTL.
• Adds options column to information_schema.schemata table:

  mysql> select * from information_schema.schemata;
  +--------------+--------------------+----------------------------+------------------------+----------+--------------+
  | catalog_name | schema_name        | default_character_set_name | default_collation_name | sql_path | options      |
  +--------------+--------------------+----------------------------+------------------------+----------+--------------+
  | greptime     | greptime_private   | utf8                       | utf8_bin               | NULL     |              |
  | greptime     | hertzbeat          | utf8                       | utf8_bin               | NULL     | ttl='30days' |
  | greptime     | information_schema | utf8                       | utf8_bin               | NULL     |              |
  | greptime     | public             | utf8                       | utf8_bin               | NULL     |              |
  +--------------+--------------------+----------------------------+------------------------+----------+--------------+

• Adds SHOW FULL DATABASES extension to show the database options:

  show full databases;
  +--------------------+--------------+
  | Database           | Options      |
  +--------------------+--------------+
  | greptime_private   |              |
  | hertzbeat          | ttl='30days' |
  | information_schema |              |
  | public             |              |
  +--------------------+--------------+

Checklist

• [x] I have written the necessary rustdoc comments.
• [x] I have added the necessary unit tests and integration tests.
• [x] This PR requires documentation updates.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 93.68421% with 6 lines in your changes missing coverage. Please review.

Project coverage is 84.83%. Comparing base (48a0f39) to head (9b1f345). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4174 +/- ## ========================================== - Coverage 85.15% 84.83% -0.32% ========================================== Files 1020 1020 Lines 179654 179738 +84 ========================================== - Hits 152976 152476 -500 - Misses 26678 27262 +584 ```