planner: support no_merge_join hint on optimizer (#45562)

[ti-chi-bot]

This is an automated cherry-pick of #45562

What problem does this PR solve?

Issue Number: ref #45520

Problem Summary: planner: support no_merge_join hint on optimizer

What is changed and how it works?

planner: support no_merge_join hint on optimizer

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[qw4990]

/test check-dev2

[tiprow]

@qw4990: No presubmit jobs available for pingcap/tidb@release-6.5

In response to this:

/test check-dev2

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, time-and-fate

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [hawkingrei,time-and-fate]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-08-01 03:28:08.207762221 +0000 UTC m=+155972.150110737: ☑️ agreed by time-and-fate.
• 2023-08-01 04:15:34.929848832 +0000 UTC m=+158818.872197370: ☑️ agreed by hawkingrei.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-6.5@4a18a3d). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-6.5     #45704   +/-   ##
================================================
  Coverage               ?   73.6665%           
================================================
  Files                  ?       1082           
  Lines                  ?     347004           
  Branches               ?          0           
================================================
  Hits                   ?     255626           
  Misses                 ?      74955           
  Partials               ?      16423