binlog.json add TSO info & grafana alert rule

[buggithubs]

What problem does this PR solve?

What is changed and how it works?

Check List

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

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to update the tidb-ansible repository
• Need to be included in the release note

Release note

• No release note

[sre-bot]

No release note, Please follow https://github.com/pingcap/community/blob/master/contributors/release-note-checker.md

[3pointer]

/run-all-tests

[3pointer]

/run-all-tests

[3pointer]

/run-all-tests

[3pointer]

/rebuild

[3pointer]

lgtm

[CLAassistant]

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