ttl: add system table for TTL status (#39315)

[ti-chi-bot]

This is an automated cherry-pick of #39315

What problem does this PR solve?

Issue Number: close #39272

Initialize the system table for TTL.

What is changed and how it works?

This PR does the following things:

1. Create a status table for TTL as described in RFC. https://github.com/pingcap/tidb/pull/39264/files#diff-3199b62f6b171f846c9c0c1670428817d339e0e2ee2b2a35822df8f532c51e58R97

Check List

Tests

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

Release note

Add a system table to record ttl job status.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• bb7133
• hawkingrei

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[bb7133]

LGTM

[hawkingrei]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 998315b

[ti-chi-bot]

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