privilege: add DDL and DML privilege check for system tables (#15095) (#15417)

[sre-bot]

cherry-pick #15417 to release-3.1

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cherry-pick #15095 to release-3.0
Conflicting files:
tables.go
privileges.go
privileges_test.go

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What problem does this PR solve?

Add DDL and DML privilege check for system tables in performance_schema and metrics_schema.

What is changed and how it works?

Prevent users from executing ALTER, DROP, INDEX, INSERT, UPDATE, DELETE statements on predefined tables.
Privileges of those tables which are defined in these schema by users themselves are kept untouched.

Check List

Tests

• Unit test
• Manual test (add detailed scripts or steps below)

mysql> delete from events_statements_summary_by_digest;
ERROR 8121 (HY000): privilege check fail

Code changes

• Has exported function/method change

Side effects

• Breaking backward compatibility

Related changes

N/A

Release note

• Forbid users to execute DDL and update/delete/insert predefined tables in performance_schema and metrics_schema.
• Compatibility declaration: Executing DDL and update/delete/insert predefined tables in performance_schema and metrics_schema are not allowed any longer.

[sre-bot]

/run-all-tests

[AilinKid]

LGTM

[Deardrops]

LGTM

[djshow832]

/run-all-tests