[Feature] Kill sessions

[Aiee]

What type of PR is this?

• bug
• feature
• enhancement

What problem(s) does this PR solve?

Issue(s) number:

Close #4747

Description:

Add KILL SESSION command to allow the user to release sessions manually.

Usage:

// Find sessions to be killed
SHOW SESSIONS | YIELD $-.SessionId AS sid WHERE $-.CreateTime < datetime("2022-12-14T18:00:00")
+------------------+
| sid              |
+------------------+
| 1671008607174256 |
| 1671009943733869 |
| 1670997649992274 |
+------------------+

// Kill a single session using session id
KILL SESSION 1671008607174256

// Kill multiple sessions
SHOW SESSIONS
| YIELD $-.SessionId AS sid WHERE $-.CreateTime < datetime("2022-12-14T18:00:00")
| KILL SESSION $-.sid

SHOW SESSIONS
| YIELD $-.SessionId AS sid, $-.CreateTime as CreateTime
| ORDER BY  $-.CreateTime
| KILL SESSION $-.sid

How do you solve it?

Special notes for your reviewer, ex. impact of this fix, design document, etc:

Checklist:

Tests:

• Unit test(positive and negative cases)
• TCK
• Function test
• Performance test
• N/A

Affects:

• Documentation affected (Please add the label if documentation needs to be modified.)
• Incompatibility (If it breaks the compatibility, please describe it and add the label.）
• If it's needed to cherry-pick (If cherry-pick to some branches is required, please label the destination version(s).)
• Performance impacted: Consumes more CPU/Memory

Release notes:

Please confirm whether to be reflected in release notes and how to describe:

ex. Fixed the bug .....

[jievince]

Well done!