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

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

[codecov]

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

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